<?xml version="1.0" encoding="UTF-8"?>

<Observation xmlns="http://hl7.org/fhir">
  <id value="RECISTResponseExample"/>
  <meta>
    <profile value="https://nshr-uat.sha.go.ke/fhir/StructureDefinition/nccp-recist-response-assessment-observation"/>
  </meta>
  <language value="en"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p>RECIST response assessment after 2 cycles of chemotherapy</p></div>
  </text>
  <extension url="https://nshr-uat.sha.go.ke/fhir/StructureDefinition/nccp-recist-timepoint-extension">
    <valueCode value="WEEK-8"/>
  </extension>
  <status value="final"/>
  <code>
    <coding>
      <system value="http://loinc.org"/>
      <code value="21976-6"/>
      <display value="Cancer outcome status"/>
    </coding>
  </code>
  <subject>
    <reference value="Patient/example-patient"/>
  </subject>
  <focus>
    <reference value="Condition/example-condition"/>
  </focus>
  <encounter>
    <reference value="Encounter/example-encounter"/>
  </encounter>
  <effectiveDateTime value="2026-03-15"/>
  <performer>
    <reference value="Practitioner/example-practitioner"/>
  </performer>
  <valueCodeableConcept>
    <coding>
      <system value="https://nshr-uat.sha.go.ke/fhir/CodeSystem/recist-response-cs"/>
      <code value="PARTIAL-RESPONSE"/>
      <display value="Partial Response"/>
    </coding>
  </valueCodeableConcept>
  <derivedFrom>
    <reference value="Observation/example-target-lesion"/>
  </derivedFrom>
</Observation>