{
  "id": 5399,
  "label": "brain stem ependymoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003477",
  "properties": {
    "xrefs": [
      "DOID:5508",
      "GARD:0023522",
      "MEDGEN:231459",
      "NCIT:C5098",
      "UMLS:C1332609"
    ],
    "synonyms": [
      "brain stem ependymoma",
      "brainstem ependymoma",
      "ependymoma of brain stem",
      "ependymoma of brainstem",
      "ependymoma of the brain stem"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "An ependymoma that arises from the brain stem."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4918,
      "label": "brain stem glioma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4919,
        7155
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4202",
          "EFO:1000142",
          "GARD:0023297",
          "MEDGEN:195650",
          "NCIT:C8501",
          "SCTID:444545003",
          "UMLS:C0677865"
        ],
        "synonyms": [
          "brain stem glioma",
          "brain stem neuroglial neoplasm",
          "brain stem neuroglial tumor",
          "brain stem neuroglial tumour",
          "brainstem glioma",
          "brainstem malignant glioma",
          "brainstem neuroglial neoplasm",
          "brainstem neuroglial tumor",
          "brainstem neuroglial tumour",
          "diffuse brainstem glioma",
          "glioma of brain stem",
          "glioma of brainstem",
          "glioma of the brain stem",
          "glioma of the brainstem",
          "malignant glioma of brainstem"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A neuroglial tumor that arises from the brain stem."
      },
      "child_count": 10,
      "reference_id": "MONDO:0002911"
    },
    {
      "id": 6066,
      "label": "ependymal tumor of brain",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5210,
        7155
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:7497",
          "GARD:0023897",
          "MEDGEN:116038",
          "NCIT:C3861",
          "SCTID:254939008",
          "UMLS:C0238029"
        ],
        "synonyms": [
          "brain ependymal tumor",
          "brain ependymal tumour",
          "ependymal tumor of brain",
          "brain ependymoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A tumor arising from the ependymal lining of the ventricles."
      },
      "child_count": 12,
      "reference_id": "MONDO:0004245"
    },
    {
      "id": 17161,
      "label": "ependymoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        5210,
        20695
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4844",
          "EFO:1000028",
          "GARD:0006353",
          "ICDO:9391/3",
          "MEDGEN:41825",
          "MESH:D004806",
          "MedDRA:10014967",
          "NANDO:2200088",
          "NCIT:C3017",
          "ONCOTREE:EPM",
          "Orphanet:251636",
          "UMLS:C0014474"
        ],
        "synonyms": [
          "benign ependymoma",
          "ependymoma",
          "WHO grade II ependymal neoplasm",
          "WHO grade II ependymal tumor",
          "WHO grade II ependymal tumour",
          "ependymoma, benign",
          "clear cell ependymoma (histologic variant)",
          "ependymoma, familial",
          "papillary ependymoma (histologic variant)",
          "tanycytic ependymoma (histologic variant)"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "A WHO grade II, slow growing tumor of children and young adults, usually located intraventricularly. It is the most common ependymal neoplasm. It often causes clinical symptoms by blocking cerebrospinal fluid pathways. Key histological features include perivascular pseudorosettes and ependymal rosettes. (WHO)"
      },
      "child_count": 16,
      "reference_id": "MONDO:0016698"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4918,
      "label": "brain stem glioma"
    },
    {
      "id": 6066,
      "label": "ependymal tumor of brain"
    },
    {
      "id": 17161,
      "label": "ependymoma"
    }
  ]
}