{
  "url": "https://dantelabs.com/traits/fibrosarcoma",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "fibrosarcoma",
    "id": "HP:0100244",
    "name": "Fibrosarcoma",
    "definition": "A fibroblastic sarcoma is a malignant tumor derived from fibrous connective tissue and characterized by immature proliferating fibroblasts or undifferentiated anaplastic spindle cells.",
    "synonyms": [],
    "systems": [
      {
        "slug": "neoplasm",
        "name": "Abnormal tissue mass",
        "url": "https://dantelabs.com/traits/neoplasm"
      }
    ],
    "broader": [
      {
        "slug": "soft-tissue-sarcoma",
        "name": "Soft tissue sarcoma",
        "url": "https://dantelabs.com/traits/soft-tissue-sarcoma"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "col1a1",
        "symbol": "COL1A1",
        "hgnc": "HGNC:2197",
        "name": "collagen type I alpha 1 chain",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/col1a1"
      },
      {
        "slug": "pdgfb",
        "symbol": "PDGFB",
        "hgnc": "HGNC:8800",
        "name": "platelet derived growth factor subunit B",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pdgfb"
      },
      {
        "slug": "foxc2",
        "symbol": "FOXC2",
        "hgnc": "HGNC:3801",
        "name": "forkhead box C2",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/foxc2"
      },
      {
        "slug": "mtap",
        "symbol": "MTAP",
        "hgnc": "HGNC:7413",
        "name": "methylthioadenosine phosphorylase",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mtap"
      }
    ]
  }
}