<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://www.cancercoreeurope.eu/fhir/StructureDefinition/cce-core-Procedure-Radiotherapy" />
  <version value="0.0.1" />
  <name value="Radiotherapy" />
  <status value="draft" />
  <description value="Determination of Radiotherapy data" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Procedure" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Procedure" />
  <derivation value="constraint" />
  <differential>
    <element id="Procedure.status">
      <path value="Procedure.status" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.category">
      <path value="Procedure.category" />
      <min value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="extensible" />
        <valueSet value="https://www.cancercoreeurope.eu/fhir/core/ValueSet/SYSTTherapyTypeVS" />
      </binding>
    </element>
    <element id="Procedure.category.coding">
      <path value="Procedure.category.coding" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Procedure.category.coding.code">
      <path value="Procedure.category.coding.code" />
      <short value="Radiotherapy" />
      <definition value="Indicates whether the tumor was irradiated" />
      <min value="1" />
      <fixedCode value="RT" />
    </element>
    <element id="Procedure.subject">
      <path value="Procedure.subject" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.performed[x]">
      <path value="Procedure.performed[x]" />
      <type>
        <code value="Period" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Procedure.performed[x].start">
      <path value="Procedure.performed[x].start" />
      <short value="Radiotherapy Start" />
      <definition value="Indicates when Radiotherapy was started" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.performed[x].end">
      <path value="Procedure.performed[x].end" />
      <short value="Radiotherapy End" />
      <definition value="Indicates when Radiotherapy was completed" />
      <mustSupport value="true" />
    </element>
    <element id="Procedure.reasonReference">
      <path value="Procedure.reasonReference" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://www.cancercoreeurope.eu/fhir/StructureDefinition/cce-core-Condition-PrimaryDiagnosis" />
      </type>
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>