{
  "id": 5182,
  "label": "optic nerve astrocytoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003234",
  "properties": {
    "xrefs": [
      "DOID:4991",
      "GARD:0023416",
      "MEDGEN:235405",
      "NCIT:C6769",
      "UMLS:C1335114"
    ],
    "synonyms": [
      "astrocytic tumour of optic nerve",
      "astrocytoma (excluding glioblastoma) of cranial nerve II",
      "astrocytoma of optic nerve",
      "astrocytoma of the optic nerve",
      "cranial nerve II astrocytoma (excluding glioblastoma)",
      "optic nerve astrocytoma",
      "optic tract astrocytoma",
      "optic tract astrocytoma (excluding glioblastoma)"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "A astrocytoma (excluding glioblastoma) that involves the cranial nerve II."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4519,
      "label": "malignant cranial nerve neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4684,
        7266,
        20329
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:2815",
          "ICD9:192.0",
          "MEDGEN:57567",
          "NCIT:C3571",
          "SCTID:188307009",
          "UMLS:C0153644"
        ],
        "synonyms": [
          "cancer of cranial nerve",
          "cranial nerve cancer",
          "cranial nerve neoplasm, malignant",
          "malignant cranial nerve neoplasm",
          "malignant cranial nerve tumor",
          "malignant cranial nerve tumour",
          "malignant neoplasm of cranial nerve",
          "malignant neoplasm of cranial nerves",
          "malignant neoplasm of the cranial nerve",
          "malignant tumor of cranial nerve",
          "malignant tumor of the cranial nerve",
          "malignant tumour of cranial nerve",
          "malignant tumour of the cranial nerve",
          "cranial nerve malignant neoplasm"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Abnormal malignant growth of the cells that comprise the cranial nerve."
      },
      "child_count": 15,
      "reference_id": "MONDO:0002433"
    },
    {
      "id": 5183,
      "label": "optic nerve glioma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4691,
        16766
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4992",
          "EFO:0009254",
          "GARD:0023417",
          "ICD9:237.9",
          "MEDGEN:138056",
          "MESH:D020339",
          "NCIT:C4537",
          "SCTID:254976006",
          "UMLS:C0346326"
        ],
        "synonyms": [
          "cranial nerve II glioma",
          "glioma of cranial nerve II",
          "glioma of optic nerve",
          "glioma of the optic nerve",
          "optic nerve glioma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A glioma that affects the optic nerve. This condition can be seen in association with neurofibromatosis 1. It is most commonly seen in the pediatric age group."
      },
      "child_count": 4,
      "reference_id": "MONDO:0003235"
    },
    {
      "id": 21557,
      "label": "optic tract astrocytoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        3050,
        5133,
        16766
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0025445",
          "MEDGEN:237052",
          "NCIT:C7533",
          "UMLS:C1336971"
        ],
        "synonyms": [
          "astrocytoma (excluding glioblastoma) of optic tract",
          "optic tract astrocytoma",
          "optic tract astrocytoma (excluding glioblastoma)",
          "visual pathway astrocytoma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "An astrocytoma that affects the optic tract. This condition can be seen in association with neurofibromatosis 1. It is most commonly seen in the pediatric age group."
      },
      "child_count": 6,
      "reference_id": "MONDO:0024649"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4519,
      "label": "malignant cranial nerve neoplasm"
    },
    {
      "id": 5183,
      "label": "optic nerve glioma"
    },
    {
      "id": 21557,
      "label": "optic tract astrocytoma"
    }
  ]
}