HL7 Europe Common Cancer Model
0.1.0 - ci-build 150

HL7 Europe Common Cancer Model, published by HL7 Europe. 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/cancer-common/ and changes regularly. See the Directory of published versions

Logical Model: LastFollowUp - Detailed Descriptions

Draft as of 2026-05-13

Definitions for the LastFollowUp logical model.

Guidance on how to interpret the contents of this table can be foundhere

0. LastFollowUp
Definition

Logical model representing the assessment of the patient’s status at a specific follow-up visit, including vital status and evidence of disease. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet LastFollowUp).

ShortLastFollowUp
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
Invariantslfu-1: EvidenceOfDisease must be present if VitalStatus is Alive; otherwise, it must not be present. ((vitalStatus.where(text = 'Alive').exists()) = evidenceOfDisease.exists())
lfu-2: CauseOfDeath must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = causeOfDeath.exists())
lfu-3: DeathDate must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = deathDate.exists())
lfu-4: DeathDate must not be present if VitalStatus is Alive. (vitalStatus.where(text = 'Alive').exists() implies deathDate.empty())
2. LastFollowUp.subject
Definition

Reference to the patient (subject) for whom follow-up information is recorded.

ShortPatient Reference
Control1..1
Typehttp://hl7.eu/fhir/cancer-common/StructureDefinition/CancerPatient
4. LastFollowUp.vitalStatus
Definition

Patient vital status at the time of follow-up (Alive or Dead).

ShortVitalStatus
Comments

Choice: Alive | Dead

Control1..1
TypeCodeableConcept
6. LastFollowUp.evidenceOfDisease
Definition

If Alive, indicates whether there is evidence of disease at follow-up.

ShortEvidenceOfDisease
Comments

If VitalStatus is Alive, then this attribute must be present; otherwise, it must not be present.

Control0..1
Typeboolean
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. LastFollowUp.causeOfDeath
Definition

If Dead, cause of death.

ShortCauseOfDeath
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypeCodeableConcept
10. LastFollowUp.date
Definition

Date of the follow-up assessment.

ShortDate
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. LastFollowUp.deathDate
Definition

If Dead, the date of death.

ShortDeathDate
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

Guidance on how to interpret the contents of this table can be foundhere

0. LastFollowUp
Definition

Logical model representing the assessment of the patient’s status at a specific follow-up visit, including vital status and evidence of disease. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet LastFollowUp).

ShortLastFollowUp
Logical ModelInstances of this logical model are not marked to be the target of a Reference
Invariantslfu-1: EvidenceOfDisease must be present if VitalStatus is Alive; otherwise, it must not be present. ((vitalStatus.where(text = 'Alive').exists()) = evidenceOfDisease.exists())
lfu-2: CauseOfDeath must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = causeOfDeath.exists())
lfu-3: DeathDate must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = deathDate.exists())
lfu-4: DeathDate must not be present if VitalStatus is Alive. (vitalStatus.where(text = 'Alive').exists() implies deathDate.empty())
2. LastFollowUp.subject
Definition

Reference to the patient (subject) for whom follow-up information is recorded.

ShortPatient Reference
Control1..1
Typehttp://hl7.eu/fhir/cancer-common/StructureDefinition/CancerPatient
4. LastFollowUp.vitalStatus
Definition

Patient vital status at the time of follow-up (Alive or Dead).

ShortVitalStatus
Comments

Choice: Alive | Dead

Control1..1
TypeCodeableConcept
6. LastFollowUp.evidenceOfDisease
Definition

If Alive, indicates whether there is evidence of disease at follow-up.

ShortEvidenceOfDisease
Comments

If VitalStatus is Alive, then this attribute must be present; otherwise, it must not be present.

Control0..1
Typeboolean
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. LastFollowUp.causeOfDeath
Definition

If Dead, cause of death.

ShortCauseOfDeath
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypeCodeableConcept
10. LastFollowUp.date
Definition

Date of the follow-up assessment.

ShortDate
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. LastFollowUp.deathDate
Definition

If Dead, the date of death.

ShortDeathDate
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension

Guidance on how to interpret the contents of this table can be foundhere

0. LastFollowUp
Definition

Logical model representing the assessment of the patient’s status at a specific follow-up visit, including vital status and evidence of disease. Derived from Cancer_Common_Logical_Model_20260521.xlsx (sheet LastFollowUp).

ShortLastFollowUp
Control0..*
Is Modifierfalse
Logical ModelInstances of this logical model are not marked to be the target of a Reference
Invariantslfu-1: EvidenceOfDisease must be present if VitalStatus is Alive; otherwise, it must not be present. ((vitalStatus.where(text = 'Alive').exists()) = evidenceOfDisease.exists())
lfu-2: CauseOfDeath must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = causeOfDeath.exists())
lfu-3: DeathDate must be present if VitalStatus is Dead; otherwise, it must not be present. ((vitalStatus.where(text = 'Dead').exists()) = deathDate.exists())
lfu-4: DeathDate must not be present if VitalStatus is Alive. (vitalStatus.where(text = 'Alive').exists() implies deathDate.empty())
2. LastFollowUp.subject
Definition

Reference to the patient (subject) for whom follow-up information is recorded.

ShortPatient Reference
Control1..1
Typehttp://hl7.eu/fhir/cancer-common/StructureDefinition/CancerPatient
4. LastFollowUp.vitalStatus
Definition

Patient vital status at the time of follow-up (Alive or Dead).

ShortVitalStatus
Comments

Choice: Alive | Dead

Control1..1
TypeCodeableConcept
6. LastFollowUp.evidenceOfDisease
Definition

If Alive, indicates whether there is evidence of disease at follow-up.

ShortEvidenceOfDisease
Comments

If VitalStatus is Alive, then this attribute must be present; otherwise, it must not be present.

Control0..1
Typeboolean
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
8. LastFollowUp.causeOfDeath
Definition

If Dead, cause of death.

ShortCauseOfDeath
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypeCodeableConcept
10. LastFollowUp.date
Definition

Date of the follow-up assessment.

ShortDate
Control1..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
12. LastFollowUp.deathDate
Definition

If Dead, the date of death.

ShortDeathDate
Comments

If VitalStatus is Dead, then this attribute must be present; otherwise, it must not be present.

Control0..1
TypedateTime
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension