<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Observation" />
  <url value="https://fhir.centraxx.de/StructureDefinition/TumorLocalization" />
  <version value="2025.4.0" />
  <name value="TumorLocalization" />
  <status value="active" />
  <publisher value="Kairos an IQVIA business" />
  <description value="Represents a CentraXX TumorLocalization." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.meta">
      <path value="Observation.meta" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.profile">
      <path value="Observation.meta.profile" />
      <min value="1" />
      <max value="1" />
      <fixedCanonical value="https://fhir.centraxx.de/StructureDefinition/TumorLocalization" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.tag">
      <path value="Observation.meta.tag" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.tag.system">
      <path value="Observation.meta.tag.system" />
      <min value="1" />
      <max value="1" />
      <fixedString value="https://fhir.centraxx.de/system/cxxEntity" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.meta.tag.code">
      <path value="Observation.meta.tag.code" />
      <min value="1" />
      <max value="1" />
      <fixedString value="TumorLocalization" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.extension">
      <path value="Observation.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.extension:updateWithOverwrite">
      <path value="Observation.extension" />
      <sliceName value="updateWithOverwrite" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/updateWithOverwrite" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.identifier">
      <path value="Observation.identifier" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.identifier:xmlId">
      <path value="Observation.identifier" />
      <sliceName value="xmlId" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.identifier:xmlId.system">
      <path value="Observation.identifier.system" />
      <min value="1" />
      <max value="1" />
      <fixedString value="https://fhir.centraxx.de/system/tumorLocalization/xmlId" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.identifier:xmlId.value">
      <path value="Observation.identifier.value" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.status">
      <path value="Observation.status" />
      <fixedCode value="final" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <patternCodeableConcept>
        <coding>
          <system value="http://snomed.info/sct" />
          <code value="371480007" />
          <display value="Anatomic location of neoplasm (observable entity)" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Tumor" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.issued">
      <path value="Observation.issued" />
      <comment value="CXX creation date" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component">
      <path value="Observation.component" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="code.coding.code" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="0" />
      <max value="7" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:version">
      <path value="Observation.component" />
      <sliceName value="version" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:version.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="version" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:version.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationVersion">
      <path value="Observation.component" />
      <sliceName value="localisationVersion" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationVersion.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="localisationVersion" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationVersion.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationText">
      <path value="Observation.component" />
      <sliceName value="localisationText" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationText.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="localisationText" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationText.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationCode">
      <path value="Observation.component" />
      <sliceName value="localisationCode" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationCode.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="localisationCode" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:localisationCode.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="string" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:mainLocalisation">
      <path value="Observation.component" />
      <sliceName value="mainLocalisation" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:mainLocalisation.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="mainLocalisation" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:mainLocalisation.value[x]">
      <path value="Observation.component.value[x]" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="boolean" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:icdEntry">
      <path value="Observation.component" />
      <sliceName value="icdEntry" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:icdEntry.code">
      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="icdEntry" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Observation.component:icdEntry.value[x]">
      <path value="Observation.component.value[x]" />
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      <max value="1" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.centraxx.de/system/tumorLocalization" />
      </binding>
    </element>
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      <path value="Observation.component.value[x].coding" />
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      <min value="1" />
      <max value="1" />
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      <mustSupport value="true" />
    </element>
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      <path value="Observation.component.value[x].coding.code" />
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      <path value="Observation.component" />
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      <path value="Observation.component.code" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/tumorLocalization" />
          <code value="sideDict" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
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      <type>
        <code value="CodeableConcept" />
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      <mustSupport value="true" />
      <binding>
        <strength value="required" />
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      </binding>
    </element>
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      <path value="Observation.component.value[x].coding" />
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      <path value="Observation.component.value[x].coding.system" />
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      <mustSupport value="true" />
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      <binding>
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        <valueSet value="https://fhir.centraxx.de/valueSet/gtds/version" />
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    </element>
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      <path value="Observation.component.value[x].coding.code" />
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      <max value="1" />
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    </element>
  </differential>
</StructureDefinition>