{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Based on a total number of chords of 100 and RAO project the range of chords belonging to this circumferential extent lies between 25 - 85. [Sheehan, 1986]",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "b34315ff-ac8e-5c58-9660-28e60b83720f",
  "ancestors" : {
    "122465" : 0
  },
  "id" : "17ccb7d0-9161-491e-9521-131b1fd0457e",
  "code" : "122465",
  "display" : "RCA Region in ROA Projection",
  "version" : "01"
}