{
  "id": 7166,
  "label": "hydronephrosis",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0005510",
  "properties": {
    "xrefs": [
      "DOID:11111",
      "EFO:0005562",
      "ICD9:591",
      "MEDGEN:42531",
      "MESH:D006869",
      "NCIT:C26796",
      "SCTID:43064006",
      "UMLS:C0020295"
    ],
    "categories": [
      {
        "ref": "MONDO:0002118",
        "name": "urinary system disorder"
      }
    ],
    "definition": "Collection of urine in the renal pelvis that results in dilatation of the renal pelvis and calyces. It is caused by obstruction of urine flow, nephrolithiasis, or vesicoureteral reflux. Signs and symptoms include flank pain, nausea, vomiting, fever, and dysuria."
  },
  "isLeaf": false,
  "isRoot": false,
  "child_count": 1,
  "parents": [
    {
      "id": 5268,
      "label": "urinary tract obstruction",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4253
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5200",
          "EFO:0009571",
          "ICD9:599.6",
          "ICD9:599.60",
          "MEDGEN:64247",
          "NANDO:2200178",
          "NCIT:C3675",
          "SCTID:7163005",
          "UMLS:C0178879"
        ],
        "synonyms": [
          "obstructive uropathy",
          "urinary obstruction"
        ],
        "categories": [
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          }
        ],
        "definition": "Blockage of the normal flow of contents of the urinary tract."
      },
      "child_count": 2,
      "reference_id": "MONDO:0003330"
    },
    {
      "id": 6948,
      "label": "kidney disorder",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        4253
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:557",
          "EFO:0003086",
          "ICD9:583.81",
          "MEDGEN:9635",
          "MESH:D007674",
          "NCIT:C3149",
          "SCTID:90708001",
          "UMLS:C0022658"
        ],
        "synonyms": [
          "disease of kidney",
          "disease or disorder of kidney",
          "disorder of kidney",
          "kidney disease",
          "kidney disease or disorder",
          "kidney disorder",
          "renal disease",
          "renal disorder",
          "nephropathy"
        ],
        "categories": [
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          }
        ],
        "definition": "A disease involving the kidney."
      },
      "child_count": 57,
      "reference_id": "MONDO:0005240"
    }
  ],
  "children": [
    {
      "id": 9092,
      "label": "congenital hydronephrosis",
      "isLeaf": true,
      "isRoot": false,
      "parents": [
        7166
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "ICD10CM:Q62.0",
          "ICD9:753.29",
          "MEDGEN:78594",
          "MedDRA:10050975",
          "NANDO:2200176",
          "NCIT:C102979",
          "Orphanet:2190",
          "SCTID:16297002",
          "UMLS:C0266316",
          "icd11.foundation:808343797"
        ],
        "categories": [
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          }
        ],
        "definition": "Congenital hydronephrosis is a renal urinary disease characterized by distension and dilation of the renal pelvis and calyces secondary to various congenital obstructive malformations of the kidneys and urinary tract that can evolve to renal atrophy."
      },
      "child_count": 0,
      "reference_id": "MONDO:0007741"
    }
  ],
  "roots": [
    {
      "id": 5268,
      "label": "urinary tract obstruction"
    },
    {
      "id": 6948,
      "label": "kidney disorder"
    }
  ]
}