{
  "id": 2950,
  "label": "chronic venous insufficiency",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0000492",
  "properties": {
    "xrefs": [
      "DOID:0050853",
      "MEDGEN:727071",
      "UMLS:C1306557"
    ],
    "synonyms": [
      "chronic venous insufficiency (disease)",
      "venous insufficiency (disease), chronic"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "Chronic form of venous insufficiency (disease)."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 3214,
      "label": "venous insufficiency",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6420,
        20084
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:10128",
          "HP:0005293",
          "ICD9:459.81",
          "MEDGEN:21841",
          "MESH:D014689",
          "SCTID:20696009",
          "UMLS:C0042485"
        ],
        "synonyms": [
          "venous insufficiency",
          "venous insufficiency (disease)",
          "peripheral venous insufficiency"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "Impaired venous blood flow or venous return (venous stasis), usually caused by inadequate venous valves. Venous insufficiency often occurs in the legs, and is associated with edema and sometimes with venous stasis ulcers at the ankle."
      },
      "child_count": 4,
      "reference_id": "MONDO:0000945"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 3214,
      "label": "venous insufficiency"
    }
  ]
}