{
  "id": 3709,
  "label": "retroperitoneal sarcoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0001501",
  "properties": {
    "xrefs": [
      "DOID:12341",
      "GARD:0022958",
      "MEDGEN:107937",
      "NCIT:C4832",
      "SCTID:307219002",
      "UMLS:C0585129"
    ],
    "synonyms": [
      "retroperitoneal sarcoma",
      "retroperitoneal space sarcoma",
      "sarcoma of retroperitoneal space"
    ],
    "definition": "A sarcoma involving a retroperitoneal space."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 1,
  "parents": [
    {
      "id": 7537,
      "label": "retroperitoneal cancer",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6733,
        21554
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5875",
          "EFO:0007466",
          "ICD9:158",
          "ICD9:158.0",
          "MEDGEN:57559",
          "MESH:D012186",
          "NCIT:C3537",
          "SCTID:126872008",
          "UMLS:C0153465",
          "icd11.foundation:1731312506"
        ],
        "synonyms": [
          "neoplasm of retroperitoneum",
          "neoplasm of the retroperitoneum",
          "retroperitoneal neoplasm",
          "tumor of retroperitoneum",
          "tumour of retroperitoneum",
          "cancer of retroperitoneal space",
          "malignant neoplasm of retroperitoneal space",
          "malignant neoplasm of retroperitoneum and peritoneum",
          "malignant retroperitoneal neoplasm",
          "malignant retroperitoneal space neoplasm",
          "malignant tumour of peritoneum and retroperitoneum",
          "retroperitoneal space cancer",
          "malignant neoplasm of retroperitoneum"
        ],
        "definition": "A primary or metastatic malignant neoplasm involving the retroperitoneum. The vast majority of cases are carcinomas, lymphomas, or sarcomas."
      },
      "child_count": 8,
      "reference_id": "MONDO:0005941"
    },
    {
      "id": 18239,
      "label": "soft tissue sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6816,
        21548
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0070663",
          "EFO:1001968",
          "GARD:0004898",
          "MEDGEN:1642116",
          "NCIT:C9306",
          "NORD:1953",
          "Orphanet:3394",
          "SCTID:424952003",
          "UMLS:C4551687"
        ],
        "synonyms": [
          "malignant soft tissue tumor",
          "malignant soft tissue tumour",
          "connective tissue sarcoma",
          "malignant mesenchymal tumor",
          "malignant mesenchymal tumour",
          "non-Rhabdo. soft tissue sarcoma",
          "sarcoma of soft tissue",
          "sarcoma of the soft tissue",
          "soft part sarcoma",
          "soft tissue sarcoma"
        ],
        "definition": "A malignant neoplasm arising from muscle tissue, adipose tissue, blood vessels, fibrous tissue, or other supportive tissues excluding the bones."
      },
      "child_count": 92,
      "reference_id": "MONDO:0018078"
    }
  ],
  "children": [
    {
      "id": 5305,
      "label": "retroperitoneal leiomyosarcoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        3709,
        6788
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5284",
          "GARD:0023483",
          "MEDGEN:412162",
          "NCIT:C27904",
          "UMLS:C2187547"
        ],
        "synonyms": [
          "leiomyosarcoma of retroperitoneal space",
          "retroperitoneal leiomyosarcoma",
          "retroperitoneal space leiomyosarcoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0002081",
            "name": "musculoskeletal system disorder"
          }
        ],
        "definition": "An aggressive malignant smooth muscle neoplasm, arising from the retroperitoneum. It is characterized by a proliferation of neoplastic spindle cells."
      },
      "child_count": 0,
      "reference_id": "MONDO:0003370"
    }
  ],
  "roots": [
    {
      "id": 7537,
      "label": "retroperitoneal cancer"
    },
    {
      "id": 18239,
      "label": "soft tissue sarcoma"
    }
  ]
}