{
  "id": 2990,
  "label": "retroperitoneal neuroblastoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0000551",
  "properties": {
    "xrefs": [
      "DOID:0050937",
      "GARD:0022802",
      "MEDGEN:1843500",
      "UMLS:C2211613"
    ],
    "synonyms": [
      "neuroblastoma of retroperitoneal space",
      "retroperitoneal space neuroblastoma"
    ],
    "categories": [
      {
        "ref": "MONDO:0005071",
        "name": "nervous system disorder"
      }
    ],
    "definition": "A neuroblastoma that involves the retroperitoneal space."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 1,
  "parents": [
    {
      "id": 6800,
      "label": "neuroblastoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7851,
        20691
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:769",
          "EFO:0000621",
          "GARD:0007185",
          "ICDO:9500/3",
          "MEDGEN:18012",
          "MESH:D009447",
          "MedDRA:10029260",
          "NANDO:2200040",
          "NCIT:C3270",
          "ONCOTREE:NBL",
          "Orphanet:635",
          "SCTID:432328008",
          "UMLS:C0027819",
          "birnlex:12631"
        ],
        "synonyms": [
          "neural Crest tumor, malignant",
          "neuroblastoma",
          "neuroblastoma (Schwannian Stroma-poor)",
          "neuroblastoma, malignant",
          "NB"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          }
        ],
        "definition": "Neuroblastoma (NB) is the most common solid, extracranial childhood tumor. It is an aggressive pediatric cancer that originates from neural crest tissues of the sympathetic nervous system."
      },
      "child_count": 14,
      "reference_id": "MONDO:0005072"
    },
    {
      "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": 7654,
      "label": "adrenal gland neuroblastoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        2990,
        5499,
        7479
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5718",
          "EFO:1000075",
          "GARD:0024283",
          "MEDGEN:154328",
          "NCIT:C4827",
          "SCTID:281562007",
          "UMLS:C0559460"
        ],
        "synonyms": [
          "adrenal gland neuroblastoma",
          "adrenal neuroblastoma",
          "neuroblastoma of adrenal",
          "neuroblastoma of adrenal gland",
          "neuroblastoma of the adrenal",
          "neuroblastoma of the adrenal gland"
        ],
        "categories": [
          {
            "ref": "MONDO:0005071",
            "name": "nervous system disorder"
          },
          {
            "ref": "MONDO:0005151",
            "name": "endocrine system disorder"
          }
        ],
        "definition": "A neuroblastoma arising from the adrenal gland."
      },
      "child_count": 3,
      "reference_id": "MONDO:0006076"
    }
  ],
  "roots": [
    {
      "id": 6800,
      "label": "neuroblastoma"
    },
    {
      "id": 21554,
      "label": "retroperitoneal neoplasm"
    }
  ]
}