description: Gibt an, ob ein positiver Befund von Fernmetastasen vorliegt package_name: de.dktk.oncology derivation: constraint name: Fernmetastasen type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Extension-Fernmetastasen'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: ['http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Observation-Fernmetastasen'] index: 3 package_version: 1.3.0 class: extension kind: complex-type url: http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Extension-Fernmetastasen base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.9.0