{
  "id": 7537,
  "label": "retroperitoneal cancer",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0005941",
  "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."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 4,
  "parents": [
    {
      "id": 6733,
      "label": "cancer",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6798
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:0050686",
          "DOID:0050687",
          "DOID:162",
          "ICD9:195.8",
          "ICD9:199",
          "ICD9:199.1",
          "ICDO:8000/3",
          "MEDGEN:14297",
          "NCIT:C9305",
          "ONCOTREE:MT",
          "SCTID:363346000",
          "UMLS:C0006826",
          "birnlex:406"
        ],
        "synonyms": [
          "CA",
          "cancer",
          "cell type cancer",
          "malignancy",
          "malignant growth",
          "malignant neoplasm",
          "malignant neoplasm (disease)",
          "malignant neoplastic disease",
          "malignant tumor",
          "malignant tumour",
          "neoplasm (disease), malignant",
          "neoplasm, malignant",
          "MT"
        ],
        "definition": "A tumor composed of atypical neoplastic, often pleomorphic cells that invade other tissues. Malignant neoplasms often metastasize to distant anatomic sites and may recur after excision. The most common malignant neoplasms are carcinomas (adenocarcinomas or squamous cell carcinomas), Hodgkin and non-Hodgkin lymphomas, leukemias, melanomas, and sarcomas."
      },
      "child_count": 33,
      "reference_id": "MONDO:0004992"
    },
    {
      "id": 21554,
      "label": "retroperitoneal neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6798
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "MEDGEN:48439",
          "NCIT:C3357",
          "UMLS:C0035358"
        ],
        "synonyms": [
          "neoplasm of retroperitoneal space",
          "retroperitoneal neoplasm",
          "retroperitoneal space neoplasm",
          "retroperitoneal space tumor",
          "retroperitoneal space tumour",
          "tumor of retroperitoneal space",
          "tumour of retroperitoneal space"
        ],
        "definition": "A benign or malignant neoplasm that affects the retroperitoneum."
      },
      "child_count": 5,
      "reference_id": "MONDO:0024645"
    }
  ],
  "children": [
    {
      "id": 3708,
      "label": "retroperitoneal lymphoma",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        6792,
        7537
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:12339",
          "GARD:0022957",
          "MEDGEN:233407",
          "NCIT:C7353",
          "SCTID:422853008",
          "UMLS:C1335779"
        ],
        "synonyms": [
          "lymphoma of retroperitoneal space",
          "primary retroperitoneal lymphoma",
          "retroperitoneal lymphoma",
          "retroperitoneal space lymphoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005570",
            "name": "hematologic disorder"
          }
        ],
        "definition": "A lymphoma that involves the retroperitoneal space."
      },
      "child_count": 0,
      "reference_id": "MONDO:0001499"
    },
    {
      "id": 3709,
      "label": "retroperitoneal sarcoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7537,
        18239
      ],
      "type_id": 0,
      "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."
      },
      "child_count": 2,
      "reference_id": "MONDO:0001501"
    },
    {
      "id": 3710,
      "label": "retroperitoneum carcinoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        6734,
        7537
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:12342",
          "MEDGEN:215301",
          "NCIT:C7352",
          "UMLS:C0948749"
        ],
        "synonyms": [
          "retroperitoneal cancer",
          "carcinoma of retroperitoneal space",
          "carcinoma of retroperitoneum",
          "carcinoma of the retroperitoneum",
          "retroperitoneal carcinoma",
          "retroperitoneal space carcinoma"
        ],
        "definition": "A carcinoma that arises from epithelial cells of the retroperitoneal space."
      },
      "child_count": 2,
      "reference_id": "MONDO:0001502"
    },
    {
      "id": 4843,
      "label": "adrenal gland cancer",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7537,
        20310,
        20437
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3953",
          "GARD:0005751",
          "ICD10CM:C74",
          "ICD9:194.0",
          "ICD9:239.7",
          "MEDGEN:152909",
          "MESH:D000310",
          "NCIT:C9338",
          "SCTID:127021009",
          "UMLS:C0750887",
          "icd11.foundation:1766185236"
        ],
        "synonyms": [
          "adrenal neoplasm",
          "tumor of the adrenal gland",
          "tumour of the adrenal gland",
          "adrenal cancer",
          "adrenal gland cancer",
          "cancer of adrenal gland",
          "malignant adrenal gland neoplasm",
          "malignant adrenal gland tumor",
          "malignant adrenal gland tumour",
          "malignant adrenal neoplasm",
          "malignant adrenal tumor",
          "malignant adrenal tumour",
          "malignant neoplasm of adrenal gland",
          "malignant neoplasm of the adrenal gland",
          "malignant tumor of adrenal gland",
          "malignant tumor of the adrenal gland",
          "malignant tumour of adrenal gland",
          "malignant tumour of the adrenal gland"
        ],
        "categories": [
          {
            "ref": "MONDO:0005151",
            "name": "endocrine system disorder"
          }
        ],
        "definition": "A malignant neoplasm involving the adrenal gland"
      },
      "child_count": 9,
      "reference_id": "MONDO:0002817"
    }
  ],
  "roots": [
    {
      "id": 6733,
      "label": "cancer"
    },
    {
      "id": 21554,
      "label": "retroperitoneal neoplasm"
    }
  ]
}