{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Measurement of vessel lumen eccentricity. Lumen Shape Index = (2p * sqrt(Vessel lumen cross-sectional area / p) / Lumen Perimeter) 2 Reference: Tobis & Yock, \\\"Intravascular Ultrasound Imaging\\\", Chapter 7",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "fe8d1681-333c-5c62-acb1-acc8992ae491",
  "ancestors" : {
    "122348" : 0
  },
  "id" : "92ed741c-0ef8-4761-9f1d-f518f0c1aaea",
  "code" : "122348",
  "display" : "Lumen Shape Index",
  "version" : "01"
}