{
  "id": 5859,
  "label": "kidney pelvis sarcomatoid transitional cell carcinoma",
  "model": {
    "label": "Mondo Disease Ontology (MONDO)",
    "source": 0
  },
  "type_id": 0,
  "reference_id": "MONDO:0004009",
  "properties": {
    "xrefs": [
      "DOID:6844",
      "GARD:0023773",
      "MEDGEN:233403",
      "NCIT:C6186",
      "UMLS:C1335752"
    ],
    "synonyms": [
      "infiltrating renal pelvis urothelial carcinoma, sarcomatoid variant",
      "kidney pelvis sarcomatoid transitional cell carcinoma",
      "renal pelvis sarcomatoid transitional cell carcinoma",
      "sarcomatoid transitional cell carcinoma of kidney pelvis",
      "sarcomatoid transitional cell carcinoma of renal pelvis",
      "sarcomatoid transitional cell carcinoma of the kidney pelvis",
      "sarcomatoid transitional cell carcinoma of the renal pelvis"
    ],
    "categories": [
      {
        "ref": "MONDO:0002118",
        "name": "urinary system disorder"
      }
    ],
    "definition": "An infiltrating transitional cell carcinoma that arises from the renal pelvis and exhibits sarcomatoid features."
  },
  "isLeaf": true,
  "isRoot": false,
  "child_count": 0,
  "parents": [
    {
      "id": 4854,
      "label": "sarcomatoid transitional cell carcinoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7925,
        7972
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:4014",
          "GARD:0023263",
          "ICDO:8122/3",
          "MEDGEN:83120",
          "NCIT:C4120",
          "UMLS:C0334271"
        ],
        "synonyms": [
          "sarcomatoid transitional cell carcinoma",
          "transitional cell carcinoma, sarcomatoid",
          "transitional cell spindle cell carcinoma",
          "transitional spindle cell carcinoma"
        ],
        "definition": "A poorly differentiated transitional cell carcinoma characterized by the presence of malignant cells with spindle cell morphologic features."
      },
      "child_count": 6,
      "reference_id": "MONDO:0002837"
    },
    {
      "id": 6936,
      "label": "renal pelvis urothelial carcinoma",
      "isLeaf": false,
      "isRoot": false,
      "parents": [
        7174,
        20068
      ],
      "type_id": 0,
      "properties": {
        "xrefs": [
          "DOID:5974",
          "EFO:0003017",
          "GARD:0024167",
          "ICD9:189.0",
          "MEDGEN:1648131",
          "NCIT:C7355",
          "SCTID:408642003",
          "UMLS:C4087468"
        ],
        "synonyms": [
          "kidney renal pelvis urothelial cancer",
          "renal pelvis transitional cell carcinoma",
          "renal pelvis urothelial cancer",
          "renal pelvis urothelial carcinoma",
          "transitional cell carcinoma of renal pelvis",
          "transitional cell carcinoma of the renal pelvis",
          "urothelial cell carcinoma of renal pelvis",
          "urothelial cell carcinoma of the renal pelvis"
        ],
        "categories": [
          {
            "ref": "MONDO:0002118",
            "name": "urinary system disorder"
          }
        ],
        "definition": "A carcinoma that arises from the transitional epithelium of the renal pelvis. It is associated with tobacco use and usually presents with gross or microscopic hematuria. Urothelial carcinomas of the renal pelvis are usually of higher grade and higher stage compared to bladder urothelial carcinomas."
      },
      "child_count": 6,
      "reference_id": "MONDO:0005221"
    }
  ],
  "children": [],
  "roots": [
    {
      "id": 4854,
      "label": "sarcomatoid transitional cell carcinoma"
    },
    {
      "id": 6936,
      "label": "renal pelvis urothelial carcinoma"
    }
  ]
}