{
  "id": 5724,
  "label": "bilateral meningioma of optic nerve",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0003859",
  "properties": {
    "xrefs": [
      "DOID:6335",
      "GARD:0023699",
      "MEDGEN:231442",
      "NCIT:C5304",
      "UMLS:C1332551"
    ],
    "synonyms": [
      "bilateral optic nerve meningioma"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      },
      {
        "ref": "MONDO:0024458",
        "name": "disorder of visual system"
      }
    ],
    "definition": "Meningiomas that affects both optic nerves."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4691,
      "label": "optic nerve neoplasm",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4268,
        4684,
        7694
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:3419",
          "EFO:1001073",
          "ICD9:239.7",
          "MEDGEN:101181",
          "MESH:D019574",
          "NCIT:C4801",
          "SCTID:395505000",
          "UMLS:C0524802"
        ],
        "synonyms": [
          "cranial nerve II neoplasm",
          "cranial nerve II neoplasm (disease)",
          "cranial nerve II neoplasms",
          "cranial nerve II tumor",
          "cranial nerve II tumour",
          "neoplasm of cranial nerve II",
          "neoplasm of optic nerve",
          "neoplasm of second cranial nerve",
          "neoplasm of the optic nerve",
          "neoplasm of the second cranial nerve",
          "neoplasms, optic nerve",
          "neoplasms, second cranial nerve",
          "optic nerve neoplasm",
          "optic nerve neoplasms",
          "optic nerve tumor",
          "optic nerve tumour",
          "second cranial nerve neoplasm",
          "second cranial nerve neoplasms",
          "second cranial nerve tumor",
          "second cranial nerve tumour",
          "tumor of cranial nerve II",
          "tumor of optic nerve",
          "tumor of second cranial nerve",
          "tumor of the optic nerve",
          "tumor of the second cranial nerve",
          "tumour of cranial nerve II",
          "tumour of second cranial nerve",
          "tumour of the optic nerve",
          "tumour of the second cranial nerve"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "Benign and malignant neoplasms which arise from or metastasize to the optic or second cranial nerve which extends from the optic disk of the eye and joins the optic chiasm. Clinical features may include visual loss, proptosis, and local pain. The majority of optic nerve tumors or optic gliomas."
      },
      "child_count": 9,
      "reference_id": "MONDO:0002640"
    },
    {
      "id": 21556,
      "label": "optic tract meningioma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4014,
        17113,
        20429
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "GARD:0025444",
          "MEDGEN:234991",
          "NCIT:C5587",
          "UMLS:C1336972"
        ],
        "synonyms": [
          "meningioma (disease) of optic tract",
          "meningioma of optic tract",
          "meningioma of the optic tract",
          "meningioma of the visual pathway",
          "meningioma of visual pathway",
          "optic tract meningioma",
          "optic tract meningioma (disease)",
          "visual pathway meningioma"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0024458",
            "name": "disorder of visual system"
          }
        ],
        "definition": "A meningioma that affects the visual pathway."
      },
      "child_count": 6,
      "reference_id": "MONDO:0024648"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4691,
      "label": "optic nerve neoplasm"
    },
    {
      "id": 21556,
      "label": "optic tract meningioma"
    }
  ]
}