description: Impression in the imaging report package_name: hl7.fhir.eu.imaging derivation: constraint name: HL7IDRImpressionExt type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.eu/fhir/imaging/StructureDefinition/HL7IDRImpression'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://hl7.eu/fhir/imaging/StructureDefinition/DocumentReferenceKeyImageEuImaging', 'http://hl7.eu/fhir/imaging/StructureDefinition/ImagingSelectionKeyImageEuImaging', 'http://hl7.eu/fhir/imaging/StructureDefinition/ObservationFindingEuImaging', 'http://hl7.org/fhir/StructureDefinition/Condition'] index: 4 package_version: 1.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.eu/fhir/imaging/StructureDefinition/HL7IDRImpression base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0-ballot