{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "The relative density of parenchymal tissue as a proportion of breast volume",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "28535e7d-97bd-5298-8a1f-2374e861add4",
  "ancestors" : {
    "112191" : 0
  },
  "id" : "08786624-18b2-496d-8de8-bff1d737ac61",
  "code" : "112191",
  "display" : "Breast tissue density",
  "version" : "01"
}