{
  "id": 5016,
  "label": "aorta angiosarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003023",
  "properties": {
    "xrefs": [
      "DOID:4510",
      "GARD:0023331",
      "MEDGEN:231071",
      "NCIT:C5376",
      "UMLS:C1332312"
    ],
    "synonyms": [
      "angiosarcoma (disease) of aorta",
      "angiosarcoma of aorta",
      "angiosarcoma of the aorta",
      "aorta angiosarcoma (disease)",
      "aortic angiosarcoma",
      "aortic hemangiosarcoma",
      "hemangiosarcoma of aorta",
      "hemangiosarcoma of the aorta"
    ],
    "categories": [
      {
        "ref": "MONDO:0004995",
        "name": "cardiovascular disorder"
      }
    ],
    "definition": "A malignant vascular neoplasm arising from the aorta."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 6338,
      "label": "aortic malignant tumor",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7210,
        23003
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:8352",
          "MEDGEN:235290",
          "NCIT:C5375",
          "UMLS:C1334560"
        ],
        "synonyms": [
          "aorta cancer",
          "aortic malignant neoplasm",
          "cancer of aorta",
          "malignant aorta neoplasm",
          "malignant aortic neoplasm",
          "malignant neoplasm of aorta",
          "malignant neoplasm of the aorta",
          "malignant tumor of aorta",
          "malignant tumor of the aorta",
          "malignant tumour of aorta",
          "malignant tumour of the aorta"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A cancer that involves the aorta."
      },
      "child_count": 2,
      "reference_id": "MONDO:0004539"
    },
    {
      "id": 17394,
      "label": "angiosarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4233,
        18239
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0001816",
          "EFO:0003968",
          "GARD:0020900",
          "HP:0200058",
          "ICD9:171.9",
          "ICDO:9120/3",
          "MEDGEN:42385",
          "MESH:D006394",
          "MedDRA:10002476",
          "NCIT:C3088",
          "ONCOTREE:ANGS",
          "Orphanet:263413",
          "SCTID:403977003",
          "UMLS:C0018923"
        ],
        "synonyms": [
          "angiosarcoma",
          "angiosarcoma (disease)",
          "blood vessel sarcoma",
          "hemangiosarcoma",
          "hemangiosarcoma, malignant",
          "malignant angioendothelioma",
          "malignant hemangioendothelioma",
          "sarcoma of blood vessel",
          "vascular sarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0004995",
            "name": "cardiovascular disorder"
          }
        ],
        "definition": "A malignant tumor arising from the endothelial cells of the blood vessels. Microscopically, it is characterized by frequently open vascular anastomosing and branching channels. The malignant cells that line the vascular channels are spindle or epithelioid and often display hyperchromatic nuclei. Angiosarcomas most frequently occur in the skin and breast. Patients with long-standing lymphedema are at increased risk of developing angiosarcoma."
      },
      "child_count": 38,
      "reference_id": "MONDO:0016982"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 6338,
      "label": "aortic malignant tumor"
    },
    {
      "id": 17394,
      "label": "angiosarcoma"
    }
  ]
}