Clinical Stage - XML Representation - IDEA4RC FHIR Implementation Guide v0.1.0

IDEA4RC FHIR Implementation Guide, published by IDEA4RC Project. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/hl7-eu/idea4rc/ and changes regularly. See the Directory of published versions
Logical Model: ClinicalStageI4RC - XML Profile

Draft as of 2025-07-25
XML representation of the ClinicalStage logical model.
Raw xml | Download

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ClinicalStage"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition ClinicalStage</b></p><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage" title="Clinical Stage
Maturity Level: 0 Draft">ClinicalStage</a><a name="ClinicalStage"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="opacity: 0.5">0</span><span style="opacity: 0.5">..</span><span style="opacity: 0.5">*</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://build.fhir.org/types.html#Base">Base</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Clinical Stage</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_resource.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.diagnosisReference" title="Diagnosis element containing the data regarding the patient's cancer ">diagnosisReference</a><a name="ClinicalStage.diagnosisReference"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-Diagnosis.html">Diagnosis</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Diagnosis Reference (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.stagingProceduresDoneBy" title="Describes the ID of the institution where staging procedure for primary tumour was performed ">stagingProceduresDoneBy</a><a name="ClinicalStage.stagingProceduresDoneBy"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#string">string</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Staging procedures done by (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck11.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForPrimarySite" title="Defines whether any imaging study for primary site was performed or not ">imagingForPrimarySite</a><a name="ClinicalStage.imagingForPrimarySite"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Imaging for primary site (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForPrimarySite.ct" title="Defines whether any CT scan for primary site was performed or not ">ct</a><a name="ClinicalStage.imagingForPrimarySite.ct"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">CT for primary site (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForPrimarySite.mri" title="Defines whether any MRI for primary site was performed or not ">mri</a><a name="ClinicalStage.imagingForPrimarySite.mri"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">MRI for primary site (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForPrimarySite.us" title="Defines whether any US for primary site was performed or not ">us</a><a name="ClinicalStage.imagingForPrimarySite.us"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">US for primary site (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck100.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForPrimarySite.other" title="Provides any other value for imaging options for primary site ">other</a><a name="ClinicalStage.imagingForPrimarySite.other"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Other imaging for primary site (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck11.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForNeck" title="Whether any imaging study for the neck was performed or not ">imagingForNeck</a><a name="ClinicalStage.imagingForNeck"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Imaging for neck (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForNeck.ct" title="Defines whether any CT scan for neck was performed or not ">ct</a><a name="ClinicalStage.imagingForNeck.ct"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">CT for neck (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForNeck.mri" title="Defines whether any MRI for neck was performed or not ">mri</a><a name="ClinicalStage.imagingForNeck.mri"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">MRI for neck (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForNeck.us" title="Defines whether any US for neck was performed or not ">us</a><a name="ClinicalStage.imagingForNeck.us"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">US for neck (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck100.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForNeck.other" title="Provides any other value for imaging options for neck ">other</a><a name="ClinicalStage.imagingForNeck.other"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Other imaging for neck (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck11.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForMetastasis" title="Wherther any imaging study for metastasis was performed or not ">imagingForMetastasis</a><a name="ClinicalStage.imagingForMetastasis"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Imaging for metastasis (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForMetastasis.ct" title="Defines whether any CT scan for metastasis was performed or not ">ct</a><a name="ClinicalStage.imagingForMetastasis.ct"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">CT for metastasis (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForMetastasis.mri" title="Defines whether any MRI for metastasis was performed or not ">mri</a><a name="ClinicalStage.imagingForMetastasis.mri"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">MRI for metastasis (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck110.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForMetastasis.us" title="Defines whether any US for metastasis was performed or not ">us</a><a name="ClinicalStage.imagingForMetastasis.us"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">US for metastasis (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck100.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vline.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.imagingForMetastasis.other" title="Provides any other value for imaging options for metastasis ">other</a><a name="ClinicalStage.imagingForMetastasis.other"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Other imaging for metastasis (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.ct" title="Specifies the clinical T ">ct</a><a name="ClinicalStage.ct"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">cT (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.cn" title="Specifies the clinical N ">cn</a><a name="ClinicalStage.cn"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">cN (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.cm" title="Specifies the clinical M ">cm</a><a name="ClinicalStage.cm"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">cM (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.extraNodalExtension" title="Describes the presence or absence of radiological signs of extracapsular extension, as defined in the AJCC 8th Ed 
check CODEs">extraNodalExtension</a><a name="ClinicalStage.extraNodalExtension"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Extra-nodal extension (rEne) (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: white; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.clinicalStaging" title="Specifies the clinical TNM ">clinicalStaging</a><a name="ClinicalStage.clinicalStaging"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#CodeableConcept">CodeableConcept</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Clinical Staging (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.localised" title="Describes if there disease is local 
Localised and Number of tumor modules are variables that work together">localised</a><a name="ClinicalStage.localised"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Localised (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.numberOfTumorNodules" title="Indicates the number of tumor nodules in the case the disease is localised 
Localised and Number of tumor modules are variables that work together">numberOfTumorNodules</a><a name="ClinicalStage.numberOfTumorNodules"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Number of tumor nodules (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.locoRegional" title="Indicates if the disease is in a loco-regional extent ">locoRegional</a><a name="ClinicalStage.locoRegional"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Loco-regional (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.isTransitMetastasisWithClinicalConfirmation" title="Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. ">isTransitMetastasisWithClinicalConfirmation</a><a name="ClinicalStage.isTransitMetastasisWithClinicalConfirmation"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Is Transit metastasis with clinical confirmation (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.isMultifocalTumor" title="Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. ">isMultifocalTumor</a><a name="ClinicalStage.isMultifocalTumor"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Is Multifocal tumor (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.regionalNodalMetastases" title="Describes if regional nodal mestastases happened ">regionalNodalMetastases</a><a name="ClinicalStage.regionalNodalMetastases"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Regional nodal metastases (M)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck01.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_datatype.gif" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites" title="Describes if site of metastasic disease  is soft tissue">sites</a><a name="ClinicalStage.sites"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#BackboneElement">BackboneElement</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">sites (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.softTissue" title="Describes if site of metastasic disease  is soft tissue ">softTissue</a><a name="ClinicalStage.sites.softTissue"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Soft tissue (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.distantLymphNode" title="Describes if site of metastasic disease  is dystan lymph node ">distantLymphNode</a><a name="ClinicalStage.sites.distantLymphNode"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">distant lymph node (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.lung" title="Describes if site of metastasic disease is lung ">lung</a><a name="ClinicalStage.sites.lung"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">lung (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.metastasisatbone" title="Describes if site of metastasic disease  is bone ">metastasisatbone</a><a name="ClinicalStage.sites.metastasisatbone"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">metastasisAtBone (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.liver" title="Describes if site of metastasic disease  is liver ">liver</a><a name="ClinicalStage.sites.liver"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">liver (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.pleura" title="Describes if site of metastasic disease  is pleura ">pleura</a><a name="ClinicalStage.sites.pleura"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">pleura (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.peritoneum" title="Describes if site of metastasic disease  is peritoneum ">peritoneum</a><a name="ClinicalStage.sites.peritoneum"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">peritoneum (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.brain" title="Describes if site of metastasic disease  is brain ">brain</a><a name="ClinicalStage.sites.brain"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">brain (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck010.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.otherViscera" title="Describes if site of metastasic disease  is other viscera 
Use the generic metastasis code or a metastasis subsumed in it, 36769180">otherViscera</a><a name="ClinicalStage.sites.otherViscera"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">other viscera (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck000.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_blank.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-ClinicalStage-definitions.html#ClinicalStage.sites.unknown" title="Describes if site of metastasic disease  is unknown ">unknown</a><a name="ClinicalStage.sites.unknown"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><span style="padding-left: 3px; padding-right: 3px; color: white; background-color: red" title="This element has obligations">O</span></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R4/datatypes.html#boolean">boolean</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">unknown (R)<br/><table class="obligation grid"><tr><td style="font-size: 11px"><b>Obligations</b></td><td style="font-size: 11px"><b>Actor</b></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-headneck-i4rc.html">Head and Neck</a></td></tr><tr><td style="font-size: 11px"><b>SHALL</b>:<a href="http://hl7.org/fhir/extensions/5.2.0/CodeSystem-obligation.html#obligation-handle" title="Obligation Codes: correctly handle">handle</a></td><td style="font-size: 11px; opacity: 0.5;"><a href="ActorDefinition-actor-sarcoma-i4rc.html">Sarcoma</a></td></tr></table></td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
  </text>
  <url
       value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage"/>
  <version value="0.1.0"/>
  <name value="ClinicalStageI4RC"/>
  <title value="Clinical Stage"/>
  <status value="draft"/>
  <date value="2025-07-25T13:48:09+00:00"/>
  <publisher value="IDEA4RC Project"/>
  <contact>
    <name value="IDEA4RC Project"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.idea4rc.eu/"/>
    </telecom>
  </contact>
  <contact>
    <name value="IDEA4RC Project"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.idea4rc.eu/"/>
    </telecom>
  </contact>
  <description value="Clinical Stage
Maturity Level: 0 Draft"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="150"/>
      <display value="Europe"/>
    </coding>
  </jurisdiction>
  <fhirVersion value="4.0.1"/>
  <kind value="logical"/>
  <abstract value="false"/>
  <type
        value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage"/>
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Base"/>
  <derivation value="specialization"/>
  <snapshot>
    <extension
               url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
      <valueString value="4.0.1"/>
    </extension>
    <element id="ClinicalStage">
      <path value="ClinicalStage"/>
      <short value="Clinical Stage"/>
      <definition value="Clinical Stage
Maturity Level: 0 Draft"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Base"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <isModifier value="false"/>
    </element>
    <element id="ClinicalStage.diagnosisReference">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.diagnosisReference"/>
      <short value="Diagnosis Reference (M)"/>
      <definition
                  value="Diagnosis element containing the data regarding the patient's cancer"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.diagnosisReference"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code
              value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"/>
      </type>
    </element>
    <element id="ClinicalStage.stagingProceduresDoneBy">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.stagingProceduresDoneBy"/>
      <short value="Staging procedures done by (M)"/>
      <definition
                  value="Describes the ID of the institution where staging procedure for primary tumour was performed"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.stagingProceduresDoneBy"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="string"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite"/>
      <short value="Imaging for primary site (M)"/>
      <definition
                  value="Defines whether any imaging study for primary site was performed or not"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForPrimarySite"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.id">
      <path value="ClinicalStage.imagingForPrimarySite.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.extension">
      <path value="ClinicalStage.imagingForPrimarySite.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.modifierExtension">
      <path value="ClinicalStage.imagingForPrimarySite.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.ct"/>
      <short value="CT for primary site (R)"/>
      <definition
                  value="Defines whether any CT scan for primary site was performed or not"/>
      <comment value="Computed tomography - 4300757"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForPrimarySite.ct"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.mri"/>
      <short value="MRI for primary site (R)"/>
      <definition
                  value="Defines whether any MRI for primary site was performed or not"/>
      <comment value="Magnetic resonance imaging - 4013636"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForPrimarySite.mri"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.us"/>
      <short value="US for primary site (R)"/>
      <definition
                  value="Defines whether any US for primary site was performed or not"/>
      <comment value="Ultrasonography - 4037672"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForPrimarySite.us"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.other"/>
      <short value="Other imaging for primary site (R)"/>
      <definition
                  value="Provides any other value for imaging options for primary site"/>
      <comment
               value="Code from Procedure domain

 Fluorodeoxyglucose positron emission tomography - 2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForPrimarySite.other"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck"/>
      <short value="Imaging for neck (M)"/>
      <definition
                  value="Whether any imaging study for the neck was performed or not"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForNeck"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
    </element>
    <element id="ClinicalStage.imagingForNeck.id">
      <path value="ClinicalStage.imagingForNeck.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForNeck.extension">
      <path value="ClinicalStage.imagingForNeck.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForNeck.modifierExtension">
      <path value="ClinicalStage.imagingForNeck.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForNeck.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.ct"/>
      <short value="CT for neck (R)"/>
      <definition
                  value="Defines whether any CT scan for neck was performed or not"/>
      <comment value="Computed tomography of neck - 3307719"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForNeck.ct"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.mri"/>
      <short value="MRI for neck (R)"/>
      <definition
                  value="Defines whether any MRI for neck was performed or not"/>
      <comment value="Magnetic resonance imaging of neck - 4218948"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForNeck.mri"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.us"/>
      <short value="US for neck (R)"/>
      <definition
                  value="Defines whether any US for neck was performed or not"/>
      <comment value="Ultrasonography of Neck - 2793113"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForNeck.us"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.other"/>
      <short value="Other imaging for neck (R)"/>
      <definition
                  value="Provides any other value for imaging options for neck"/>
      <comment
               value="Code from Procedure domain

 Fluorodeoxyglucose positron emission tomography -2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForNeck.other"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis"/>
      <short value="Imaging for metastasis (M)"/>
      <definition
                  value="Wherther any imaging study for metastasis was performed or not"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForMetastasis"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.id">
      <path value="ClinicalStage.imagingForMetastasis.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.extension">
      <path value="ClinicalStage.imagingForMetastasis.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.modifierExtension">
      <path value="ClinicalStage.imagingForMetastasis.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.ct"/>
      <short value="CT for metastasis (R)"/>
      <definition
                  value="Defines whether any CT scan for metastasis was performed or not"/>
      <comment
               value="CT of chest - 4058335
CT of abdomen - 4061009
CT of pelvis - 4058336
CT of brain - 4145739"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForMetastasis.ct"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.mri"/>
      <short value="MRI for metastasis (R)"/>
      <definition
                  value="Defines whether any MRI for metastasis was performed or not"/>
      <comment
               value="MRI of abdomen - 4083230
MRI of pelvis - 4097527
MRI of brain - 37311324"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForMetastasis.mri"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.us"/>
      <short value="US for metastasis (R)"/>
      <definition
                  value="Defines whether any US for metastasis was performed or not"/>
      <comment value="Ultrasonography of abdomen - 4261497"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForMetastasis.us"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.other"/>
      <short value="Other imaging for metastasis (R)"/>
      <definition
                  value="Provides any other value for imaging options for metastasis"/>
      <comment
               value="Code from Procedure domain

Standard chest X-ray - 4056836
Radioisotope scan of bone - 4217238
Positron emission tomography - 4305790
 Fluorodeoxyglucose positron emission tomography - 2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.imagingForMetastasis.other"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.ct"/>
      <short value="cT (M)"/>
      <definition value="Specifies the clinical T"/>
      <comment
               value="AJCC/UICC 6th clinical TX Category - 1635299
AJCC/UICC 7th clinical TX Category - 1634269
AJCC/UICC 8th clinical TX Category - 1633589

AJCC/UICC 6th clinical Tis Category - 1635857
AJCC/UICC 7th clinical Tis Category - 1635227
AJCC/UICC 8th clinical Tis Category - 1633737

AJCC/UICC 6th clinical T0 Category - 1635656
AJCC/UICC 7th clinical T0 Category - 1633815
AJCC/UICC 8th clinical T0 Category - 1635794

AJCC/UICC 6th clinical T1 Category - 1634381
AJCC/UICC 7th clinical T1 Category - 1635664
AJCC/UICC 8th clinical T1 Category - 1633883

AJCC/UICC 6th clinical T2 Category - 1633747
AJCC/UICC 7th clinical T2 Category - 1634029
AJCC/UICC 8th clinical T2 Category - 1634651

AJCC/UICC 6th clinical T3 Category - 1633877
AJCC/UICC 7th clinical T3 Category - 1633324
AJCC/UICC 8th clinical T3 Category - 1635556

AJCC/UICC 6th clinical T4 Category - 1635522
AJCC/UICC 7th clinical T4 Category - 1635530
AJCC/UICC 8th clinical T4 Category - 1634973

AJCC/UICC 6th clinical T4a Category - 1634247
AJCC/UICC 7th clinical T4a Category - 1634522
AJCC/UICC 8th clinical T4a Category - 1634963

AJCC/UICC 6th clinical T4b Category - 1634624
AJCC/UICC 7th clinical T4b Category - 1634120
AJCC/UICC 8th clinical T4b Category - 1634854"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.ct"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.cn">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.cn"/>
      <short value="cN (M)"/>
      <definition value="Specifies the clinical N"/>
      <comment
               value="AJCC/UICC 6th clinical NX Category - 1635104
AJCC/UICC 7th clinical NX Category - 1633679
AJCC/UICC 8th clinical NX Category - 1634797

AJCC/UICC 6th clinical N0 Category - 1633315
AJCC/UICC 7th clinical N0 Category - 1633942
AJCC/UICC 8th clinical N0 Category - 1634070

AJCC/UICC 6th clinical N1 Category - 1635697
AJCC/UICC 7th clinical N1 Category - 1634139
AJCC/UICC 8th clinical N1 Category - 1633651

AJCC/UICC 6th clinical N2 Category - 1635470
AJCC/UICC 7th clinical N2 Category - 1635634
AJCC/UICC 8th clinical N2 Category - 1633763

AJCC/UICC 6th clinical N2a Category - 1634143
AJCC/UICC 7th clinical N2a Category - 1635739
AJCC/UICC 8th clinical N2a Category - 1633788

AJCC/UICC 6th clinical N2b Category - 1633433
AJCC/UICC 7th clinical N2b Category - 1635677
AJCC/UICC 8th clinical N2b Category - 1633323

AJCC/UICC 6th clinical N2c Category - 1634678
AJCC/UICC 7th clinical N2c Category - 1634727
AJCC/UICC 8th clinical N2c Category - 1633271

AJCC/UICC 6th clinical N3 Category - 1635605
AJCC/UICC 7th clinical N3 Category - 1634037
AJCC/UICC 8th clinical N3 Category - 1633854

AJCC/UICC 6th clinical N3a Category - 1633434
AJCC/UICC 7th clinical N3a Category - 1635004
AJCC/UICC 8th clinical N3a Category - 1635496

AJCC/UICC 6th clinical N3b Category - 1635283
AJCC/UICC 7th clinical N3b Category - 1635084
AJCC/UICC 8th clinical N3b Category - 1635828"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.cn"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.cm">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.cm"/>
      <short value="cM (M)"/>
      <definition value="Specifies the clinical M"/>
      <comment
               value="AJCC/UICC 6th clinical M0 Category - 1634194
AJCC/UICC 7th clinical M0 Category - 1633468
AJCC/UICC 8th clinical M0 Category - 1634757

AJCC/UICC 6th clinical M1 Category - 1634829
AJCC/UICC 7th clinical M1 Category - 1633276
AJCC/UICC 8th clinical M1 Category - 1633974"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.cm"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.extraNodalExtension">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.extraNodalExtension"/>
      <short value="Extra-nodal extension (rEne) (M)"/>
      <definition
                  value="Describes the presence or absence of radiological signs of extracapsular extension, as defined in the AJCC 8th Ed 
check CODEs"/>
      <comment value="ENE- - 36769946
ENE+ - 36770618"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.extraNodalExtension"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.clinicalStaging">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.clinicalStaging"/>
      <short value="Clinical Staging (M)"/>
      <definition value="Specifies the clinical TNM"/>
      <comment
               value="AJCC/UICC 6th clinical Stage 0 - 1635842
AJCC/UICC 7th clinical Stage 0 - 1633828
AJCC/UICC 8th clinical Stage 0 - 1635824

AJCC/UICC 6th clinical Stage 1 - 1633905
AJCC/UICC 7th clinical Stage 1 - 1634457
AJCC/UICC 8th clinical Stage 1 - 1635758

AJCC/UICC 6th clinical Stage 2 - 1634718
AJCC/UICC 7th clinical Stage 2 - 1635182
AJCC/UICC 8th clinical Stage 2 - 1635217

AJCC/UICC 6th clinical Stage 3 - 1635848
AJCC/UICC 7th clinical Stage 3 - 1635125
AJCC/UICC 8th clinical Stage 3 - 1634596

AJCC/UICC 6th clinical Stage 4 - 1634307
AJCC/UICC 7th clinical Stage 4 - 1634766
AJCC/UICC 8th clinical Stage 4 - 1635029

AJCC/UICC 6th clinical Stage 4A - 1635535
AJCC/UICC 7th clinical Stage 4A - 1634451
AJCC/UICC 8th clinical Stage 4A - 1634810

AJCC/UICC 6th clinical Stage 4B - 1633922
AJCC/UICC 7th clinical Stage 4B - 1635757
AJCC/UICC 8th clinical Stage 4B - 1635708

AJCC/UICC 6th clinical Stage 4C - 1633270
AJCC/UICC 7th clinical Stage 4C - 1634614
AJCC/UICC 8th clinical Stage 4C - 1635006"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.clinicalStaging"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.localised">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.localised"/>
      <short value="Localised (M)"/>
      <definition
                  value="Describes if there disease is local 
Localised and Number of tumor modules are variables that work together"/>
      <comment value="Confined disease - 32942"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.localised"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.numberOfTumorNodules">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.numberOfTumorNodules"/>
      <short value="Number of tumor nodules (R)"/>
      <definition
                  value="Indicates the number of tumor nodules in the case the disease is localised 
Localised and Number of tumor modules are variables that work together"/>
      <comment value="Number of tumor nodules - 4228659"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.numberOfTumorNodules"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="ClinicalStage.locoRegional">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.locoRegional"/>
      <short value="Loco-regional (M)"/>
      <definition
                  value="Indicates if the disease is in a loco-regional extent"/>
      <comment value="
Invasive Disease - 32943"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.locoRegional"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.isTransitMetastasisWithClinicalConfirmation">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path
            value="ClinicalStage.isTransitMetastasisWithClinicalConfirmation"/>
      <short value="Is Transit metastasis with clinical confirmation (M)"/>
      <definition
                  value="Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes."/>
      <comment
               value="Transit Metastasis with Clinical Confirmation - 36769249"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path
              value="ClinicalStage.isTransitMetastasisWithClinicalConfirmation"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.isMultifocalTumor">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.isMultifocalTumor"/>
      <short value="Is Multifocal tumor (M)"/>
      <definition
                  value="Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer."/>
      <comment value="Multifocal Tumor - 36769933"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.isMultifocalTumor"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.regionalNodalMetastases">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.regionalNodalMetastases"/>
      <short value="Regional nodal metastases (M)"/>
      <definition value="Describes if regional nodal mestastases happened"/>
      <comment value="Regional spread to lymph node - 36769269"/>
      <min value="1"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.regionalNodalMetastases"/>
        <min value="1"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites"/>
      <short value="sites (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is soft tissue"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="BackboneElement"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
    </element>
    <element id="ClinicalStage.sites.id">
      <path value="ClinicalStage.sites.id"/>
      <representation value="xmlAttr"/>
      <short value="Unique id for inter-element referencing"/>
      <definition
                  value="Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces."/>
      <min value="0"/>
      <max value="1"/>
      <base>
        <path value="Element.id"/>
        <min value="0"/>
        <max value="1"/>
      </base>
      <type>
        <extension
                   url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">
          <valueUrl value="string"/>
        </extension>
        <code value="http://hl7.org/fhirpath/System.String"/>
      </type>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.sites.extension">
      <path value="ClinicalStage.sites.extension"/>
      <slicing>
        <discriminator>
          <type value="value"/>
          <path value="url"/>
        </discriminator>
        <description value="Extensions are always sliced by (at least) url"/>
        <rules value="open"/>
      </slicing>
      <short value="Additional content defined by implementations"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="Element.extension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="false"/>
      <isSummary value="false"/>
      <mapping>
        <identity value="rim"/>
        <map value="n/a"/>
      </mapping>
    </element>
    <element id="ClinicalStage.sites.modifierExtension">
      <path value="ClinicalStage.sites.modifierExtension"/>
      <short value="Extensions that cannot be ignored even if unrecognized"/>
      <definition
                  value="May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)."/>
      <comment
               value="There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone."/>
      <requirements
                    value="Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)."/>
      <alias value="extensions"/>
      <alias value="user content"/>
      <alias value="modifiers"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="BackboneElement.modifierExtension"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="Extension"/>
      </type>
      <constraint>
        <key value="ele-1"/>
        <severity value="error"/>
        <human value="All FHIR elements must have a @value or children"/>
        <expression
                    value="hasValue() or (children().count() &gt; id.count())"/>
        <xpath value="@value|f:*|h:div"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Element"/>
      </constraint>
      <constraint>
        <key value="ext-1"/>
        <severity value="error"/>
        <human value="Must have either extensions or value[x], not both"/>
        <expression value="extension.exists() != value.exists()"/>
        <xpath
               value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), &quot;value&quot;)])"/>
        <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>
      </constraint>
      <isModifier value="true"/>
      <isModifierReason
                        value="Modifier extensions are expected to modify the meaning or interpretation of the element that contains them"/>
      <isSummary value="true"/>
      <mapping>
        <identity value="rim"/>
        <map value="N/A"/>
      </mapping>
    </element>
    <element id="ClinicalStage.sites.softTissue">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.softTissue"/>
      <short value="Soft tissue (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is soft tissue"/>
      <comment value="Metastasis to soft tissues - 35225724"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.softTissue"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.distantLymphNode">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.distantLymphNode"/>
      <short value="distant lymph node (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is dystan lymph node"/>
      <comment value="Distant spread to lymph node - 36769243"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.distantLymphNode"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.lung">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.lung"/>
      <short value="lung (R)"/>
      <definition value="Describes if site of metastasic disease is lung"/>
      <comment value="Metastasis to lung - 36770283"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.lung"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.metastasisatbone">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.metastasisatbone"/>
      <short value="metastasisAtBone (R)"/>
      <definition value="Describes if site of metastasic disease  is bone"/>
      <comment value="Metastasis to bone - 36769301"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.metastasisatbone"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.liver">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.liver"/>
      <short value="liver (R)"/>
      <definition value="Describes if site of metastasic disease  is liver"/>
      <comment value="Metastasis to liver - 36770544"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.liver"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.pleura">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.pleura"/>
      <short value="pleura (R)"/>
      <definition value="Describes if site of metastasic disease  is pleura"/>
      <comment value="Metastasis to pleura - 35226258"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.pleura"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.peritoneum">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.peritoneum"/>
      <short value="peritoneum (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is peritoneum"/>
      <comment value="Metastasis to peritoneum - 35226253"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.peritoneum"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.brain">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.brain"/>
      <short value="brain (R)"/>
      <definition value="Describes if site of metastasic disease  is brain"/>
      <comment value="Metastasis to brain - 36768862"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.brain"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.otherViscera">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.otherViscera"/>
      <short value="other viscera (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is other viscera 
Use the generic metastasis code or a metastasis subsumed in it, 36769180"/>
      <comment value="Metastasis - 36769180"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.otherViscera"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.unknown">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
        <extension
                   url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-source">
          <valueUri
                    value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/ClinicalStage|0.1.0"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.unknown"/>
      <short value="unknown (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is unknown"/>
      <comment value="Unknown - 4129922"/>
      <min value="0"/>
      <max value="*"/>
      <base>
        <path value="ClinicalStage.sites.unknown"/>
        <min value="0"/>
        <max value="*"/>
      </base>
      <type>
        <code value="boolean"/>
      </type>
    </element>
  </snapshot>
  <differential>
    <element id="ClinicalStage">
      <path value="ClinicalStage"/>
      <short value="Clinical Stage"/>
      <definition value="Clinical Stage
Maturity Level: 0 Draft"/>
    </element>
    <element id="ClinicalStage.diagnosisReference">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.diagnosisReference"/>
      <short value="Diagnosis Reference (M)"/>
      <definition
                  value="Diagnosis element containing the data regarding the patient's cancer "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code
              value="http://hl7.eu/fhir/ig/idea4rc/StructureDefinition/Diagnosis"/>
      </type>
    </element>
    <element id="ClinicalStage.stagingProceduresDoneBy">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.stagingProceduresDoneBy"/>
      <short value="Staging procedures done by (M)"/>
      <definition
                  value="Describes the ID of the institution where staging procedure for primary tumour was performed "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="string"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite"/>
      <short value="Imaging for primary site (M)"/>
      <definition
                  value="Defines whether any imaging study for primary site was performed or not "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="BackboneElement"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.ct"/>
      <short value="CT for primary site (R)"/>
      <definition
                  value="Defines whether any CT scan for primary site was performed or not "/>
      <comment value="Computed tomography - 4300757"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.mri"/>
      <short value="MRI for primary site (R)"/>
      <definition
                  value="Defines whether any MRI for primary site was performed or not "/>
      <comment value="Magnetic resonance imaging - 4013636"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.us"/>
      <short value="US for primary site (R)"/>
      <definition
                  value="Defines whether any US for primary site was performed or not "/>
      <comment value="Ultrasonography - 4037672"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForPrimarySite.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForPrimarySite.other"/>
      <short value="Other imaging for primary site (R)"/>
      <definition
                  value="Provides any other value for imaging options for primary site "/>
      <comment
               value="Code from Procedure domain

 Fluorodeoxyglucose positron emission tomography - 2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck"/>
      <short value="Imaging for neck (M)"/>
      <definition
                  value="Whether any imaging study for the neck was performed or not "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="BackboneElement"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.ct"/>
      <short value="CT for neck (R)"/>
      <definition
                  value="Defines whether any CT scan for neck was performed or not "/>
      <comment value="Computed tomography of neck - 3307719"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.mri"/>
      <short value="MRI for neck (R)"/>
      <definition
                  value="Defines whether any MRI for neck was performed or not "/>
      <comment value="Magnetic resonance imaging of neck - 4218948"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.us"/>
      <short value="US for neck (R)"/>
      <definition
                  value="Defines whether any US for neck was performed or not "/>
      <comment value="Ultrasonography of Neck - 2793113"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForNeck.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForNeck.other"/>
      <short value="Other imaging for neck (R)"/>
      <definition
                  value="Provides any other value for imaging options for neck "/>
      <comment
               value="Code from Procedure domain

 Fluorodeoxyglucose positron emission tomography -2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis"/>
      <short value="Imaging for metastasis (M)"/>
      <definition
                  value="Wherther any imaging study for metastasis was performed or not "/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="BackboneElement"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.ct"/>
      <short value="CT for metastasis (R)"/>
      <definition
                  value="Defines whether any CT scan for metastasis was performed or not "/>
      <comment
               value="CT of chest - 4058335
CT of abdomen - 4061009
CT of pelvis - 4058336
CT of brain - 4145739"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.mri">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.mri"/>
      <short value="MRI for metastasis (R)"/>
      <definition
                  value="Defines whether any MRI for metastasis was performed or not "/>
      <comment
               value="MRI of abdomen - 4083230
MRI of pelvis - 4097527
MRI of brain - 37311324"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.us">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.us"/>
      <short value="US for metastasis (R)"/>
      <definition
                  value="Defines whether any US for metastasis was performed or not "/>
      <comment value="Ultrasonography of abdomen - 4261497"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.imagingForMetastasis.other">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.imagingForMetastasis.other"/>
      <short value="Other imaging for metastasis (R)"/>
      <definition
                  value="Provides any other value for imaging options for metastasis "/>
      <comment
               value="Code from Procedure domain

Standard chest X-ray - 4056836
Radioisotope scan of bone - 4217238
Positron emission tomography - 4305790
 Fluorodeoxyglucose positron emission tomography - 2000100025
Positron emission tomography using other tracers - 2000100026"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.ct">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.ct"/>
      <short value="cT (M)"/>
      <definition value="Specifies the clinical T "/>
      <comment
               value="AJCC/UICC 6th clinical TX Category - 1635299
AJCC/UICC 7th clinical TX Category - 1634269
AJCC/UICC 8th clinical TX Category - 1633589

AJCC/UICC 6th clinical Tis Category - 1635857
AJCC/UICC 7th clinical Tis Category - 1635227
AJCC/UICC 8th clinical Tis Category - 1633737

AJCC/UICC 6th clinical T0 Category - 1635656
AJCC/UICC 7th clinical T0 Category - 1633815
AJCC/UICC 8th clinical T0 Category - 1635794

AJCC/UICC 6th clinical T1 Category - 1634381
AJCC/UICC 7th clinical T1 Category - 1635664
AJCC/UICC 8th clinical T1 Category - 1633883

AJCC/UICC 6th clinical T2 Category - 1633747
AJCC/UICC 7th clinical T2 Category - 1634029
AJCC/UICC 8th clinical T2 Category - 1634651

AJCC/UICC 6th clinical T3 Category - 1633877
AJCC/UICC 7th clinical T3 Category - 1633324
AJCC/UICC 8th clinical T3 Category - 1635556

AJCC/UICC 6th clinical T4 Category - 1635522
AJCC/UICC 7th clinical T4 Category - 1635530
AJCC/UICC 8th clinical T4 Category - 1634973

AJCC/UICC 6th clinical T4a Category - 1634247
AJCC/UICC 7th clinical T4a Category - 1634522
AJCC/UICC 8th clinical T4a Category - 1634963

AJCC/UICC 6th clinical T4b Category - 1634624
AJCC/UICC 7th clinical T4b Category - 1634120
AJCC/UICC 8th clinical T4b Category - 1634854"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.cn">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.cn"/>
      <short value="cN (M)"/>
      <definition value="Specifies the clinical N "/>
      <comment
               value="AJCC/UICC 6th clinical NX Category - 1635104
AJCC/UICC 7th clinical NX Category - 1633679
AJCC/UICC 8th clinical NX Category - 1634797

AJCC/UICC 6th clinical N0 Category - 1633315
AJCC/UICC 7th clinical N0 Category - 1633942
AJCC/UICC 8th clinical N0 Category - 1634070

AJCC/UICC 6th clinical N1 Category - 1635697
AJCC/UICC 7th clinical N1 Category - 1634139
AJCC/UICC 8th clinical N1 Category - 1633651

AJCC/UICC 6th clinical N2 Category - 1635470
AJCC/UICC 7th clinical N2 Category - 1635634
AJCC/UICC 8th clinical N2 Category - 1633763

AJCC/UICC 6th clinical N2a Category - 1634143
AJCC/UICC 7th clinical N2a Category - 1635739
AJCC/UICC 8th clinical N2a Category - 1633788

AJCC/UICC 6th clinical N2b Category - 1633433
AJCC/UICC 7th clinical N2b Category - 1635677
AJCC/UICC 8th clinical N2b Category - 1633323

AJCC/UICC 6th clinical N2c Category - 1634678
AJCC/UICC 7th clinical N2c Category - 1634727
AJCC/UICC 8th clinical N2c Category - 1633271

AJCC/UICC 6th clinical N3 Category - 1635605
AJCC/UICC 7th clinical N3 Category - 1634037
AJCC/UICC 8th clinical N3 Category - 1633854

AJCC/UICC 6th clinical N3a Category - 1633434
AJCC/UICC 7th clinical N3a Category - 1635004
AJCC/UICC 8th clinical N3a Category - 1635496

AJCC/UICC 6th clinical N3b Category - 1635283
AJCC/UICC 7th clinical N3b Category - 1635084
AJCC/UICC 8th clinical N3b Category - 1635828"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.cm">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.cm"/>
      <short value="cM (M)"/>
      <definition value="Specifies the clinical M "/>
      <comment
               value="AJCC/UICC 6th clinical M0 Category - 1634194
AJCC/UICC 7th clinical M0 Category - 1633468
AJCC/UICC 8th clinical M0 Category - 1634757

AJCC/UICC 6th clinical M1 Category - 1634829
AJCC/UICC 7th clinical M1 Category - 1633276
AJCC/UICC 8th clinical M1 Category - 1633974"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.extraNodalExtension">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.extraNodalExtension"/>
      <short value="Extra-nodal extension (rEne) (M)"/>
      <definition
                  value="Describes the presence or absence of radiological signs of extracapsular extension, as defined in the AJCC 8th Ed 
check CODEs"/>
      <comment value="ENE- - 36769946
ENE+ - 36770618"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.clinicalStaging">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.clinicalStaging"/>
      <short value="Clinical Staging (M)"/>
      <definition value="Specifies the clinical TNM "/>
      <comment
               value="AJCC/UICC 6th clinical Stage 0 - 1635842
AJCC/UICC 7th clinical Stage 0 - 1633828
AJCC/UICC 8th clinical Stage 0 - 1635824

AJCC/UICC 6th clinical Stage 1 - 1633905
AJCC/UICC 7th clinical Stage 1 - 1634457
AJCC/UICC 8th clinical Stage 1 - 1635758

AJCC/UICC 6th clinical Stage 2 - 1634718
AJCC/UICC 7th clinical Stage 2 - 1635182
AJCC/UICC 8th clinical Stage 2 - 1635217

AJCC/UICC 6th clinical Stage 3 - 1635848
AJCC/UICC 7th clinical Stage 3 - 1635125
AJCC/UICC 8th clinical Stage 3 - 1634596

AJCC/UICC 6th clinical Stage 4 - 1634307
AJCC/UICC 7th clinical Stage 4 - 1634766
AJCC/UICC 8th clinical Stage 4 - 1635029

AJCC/UICC 6th clinical Stage 4A - 1635535
AJCC/UICC 7th clinical Stage 4A - 1634451
AJCC/UICC 8th clinical Stage 4A - 1634810

AJCC/UICC 6th clinical Stage 4B - 1633922
AJCC/UICC 7th clinical Stage 4B - 1635757
AJCC/UICC 8th clinical Stage 4B - 1635708

AJCC/UICC 6th clinical Stage 4C - 1633270
AJCC/UICC 7th clinical Stage 4C - 1634614
AJCC/UICC 8th clinical Stage 4C - 1635006"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="CodeableConcept"/>
      </type>
    </element>
    <element id="ClinicalStage.localised">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.localised"/>
      <short value="Localised (M)"/>
      <definition
                  value="Describes if there disease is local 
Localised and Number of tumor modules are variables that work together"/>
      <comment value="Confined disease - 32942"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.numberOfTumorNodules">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.numberOfTumorNodules"/>
      <short value="Number of tumor nodules (R)"/>
      <definition
                  value="Indicates the number of tumor nodules in the case the disease is localised 
Localised and Number of tumor modules are variables that work together"/>
      <comment value="Number of tumor nodules - 4228659"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="integer"/>
      </type>
    </element>
    <element id="ClinicalStage.locoRegional">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.locoRegional"/>
      <short value="Loco-regional (M)"/>
      <definition
                  value="Indicates if the disease is in a loco-regional extent "/>
      <comment value="
Invasive Disease - 32943

"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.isTransitMetastasisWithClinicalConfirmation">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path
            value="ClinicalStage.isTransitMetastasisWithClinicalConfirmation"/>
      <short value="Is Transit metastasis with clinical confirmation (M)"/>
      <definition
                  value="Indicates spread of cancer cells through lymphatic vessels, where they lodge and grow in tissues located between the primary tumor and the nearest regional lymph nodes. "/>
      <comment
               value="Transit Metastasis with Clinical Confirmation - 36769249
"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.isMultifocalTumor">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.isMultifocalTumor"/>
      <short value="Is Multifocal tumor (M)"/>
      <definition
                  value="Presence of multiple distinct tumor foci (or nodules) within the same organ or tissue, originating from the same primary tumor type. These foci may arise through independent tumorigenesis (multiple primary lesions) or local spread of the same cancer. "/>
      <comment value="Multifocal Tumor - 36769933
"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.regionalNodalMetastases">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.regionalNodalMetastases"/>
      <short value="Regional nodal metastases (M)"/>
      <definition value="Describes if regional nodal mestastases happened "/>
      <comment value="Regional spread to lymph node - 36769269"/>
      <min value="1"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites"/>
      <short value="sites (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is soft tissue"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="BackboneElement"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.softTissue">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.softTissue"/>
      <short value="Soft tissue (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is soft tissue "/>
      <comment value="Metastasis to soft tissues - 35225724"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.distantLymphNode">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.distantLymphNode"/>
      <short value="distant lymph node (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is dystan lymph node "/>
      <comment value="Distant spread to lymph node - 36769243"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.lung">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.lung"/>
      <short value="lung (R)"/>
      <definition value="Describes if site of metastasic disease is lung "/>
      <comment value="Metastasis to lung - 36770283"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.metastasisatbone">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.metastasisatbone"/>
      <short value="metastasisAtBone (R)"/>
      <definition value="Describes if site of metastasic disease  is bone "/>
      <comment value="Metastasis to bone - 36769301"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.liver">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.liver"/>
      <short value="liver (R)"/>
      <definition value="Describes if site of metastasic disease  is liver "/>
      <comment value="Metastasis to liver - 36770544"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.pleura">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.pleura"/>
      <short value="pleura (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is pleura "/>
      <comment value="Metastasis to pleura - 35226258"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.peritoneum">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.peritoneum"/>
      <short value="peritoneum (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is peritoneum "/>
      <comment value="Metastasis to peritoneum - 35226253"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.brain">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.brain"/>
      <short value="brain (R)"/>
      <definition value="Describes if site of metastasic disease  is brain "/>
      <comment value="Metastasis to brain - 36768862"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.otherViscera">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.otherViscera"/>
      <short value="other viscera (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is other viscera 
Use the generic metastasis code or a metastasis subsumed in it, 36769180"/>
      <comment value="Metastasis - 36769180"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
    <element id="ClinicalStage.sites.unknown">
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-headneck-i4rc"/>
        </extension>
      </extension>
      <extension url="http://hl7.org/fhir/StructureDefinition/obligation">
        <extension url="code">
          <valueCode value="SHALL:handle"/>
        </extension>
        <extension url="actor">
          <valueCanonical
                          value="http://hl7.eu/fhir/ig/idea4rc/actor-sarcoma-i4rc"/>
        </extension>
      </extension>
      <path value="ClinicalStage.sites.unknown"/>
      <short value="unknown (R)"/>
      <definition
                  value="Describes if site of metastasic disease  is unknown "/>
      <comment value="Unknown - 4129922"/>
      <min value="0"/>
      <max value="*"/>
      <type>
        <code value="boolean"/>
      </type>
    </element>
  </differential>
</StructureDefinition>