{
  "description": "Hilum",
  "_filename": "example/CodeSystem-breastrad-HilumCS.json",
  "package_name": "hl7.fhir.us.breast-radiology",
  "date": "2019-08-02T00:00:00-04:00",
  "publisher": "Hl7 - Clinical Interoperability Council",
  "content": "complete",
  "name": "HilumCS",
  "type": null,
  "experimental": null,
  "resourceType": "CodeSystem",
  "title": "HilumCS",
  "package_version": "0.1.0",
  "status": "draft",
  "id": "6ecd06ae-6921-430a-a796-b2dc01426561",
  "kind": null,
  "count": 2,
  "url": "http://hl7.org/fhir/us/breast-radiology/CodeSystem/breastrad-HilumCS",
  "concept": [ {
    "code": "HilumFatty",
    "display": "A fatty hilum within a lymph node on CT is considered a benign characteristic.",
    "definition": "A fatty hilum within a lymph node on CT is considered a benign characteristic."
  }, {
    "code": "HilumNotFatty",
    "display": "It was shown that loss of fatty hilum is not a defi- nite criterion for differentiation between malignant and benign lymph nodes [7]. Absence of hilum was found in as many as 9%% of reactive lymph nodes [6].",
    "definition": "It was shown that loss of fatty hilum is not a defi- nite criterion for differentiation between malignant and benign lymph nodes [7]. Absence of hilum was found in as many as 9%% of reactive lymph nodes [6]."
  } ],
  "caseSensitive": true,
  "version": "0.1.0",
  "contact": [ {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/cic",
      "system": "url"
    } ]
  } ]
}