{
  "url": "https://dantelabs.com/traits/pulmonary-nodule",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "pulmonary-nodule",
    "id": "HP:0033608",
    "name": "Spot on the lung",
    "label": "Pulmonary nodule",
    "definition": "Focal rounded or ovoid opacity, not more than 3 cm in diameter. Pulmonary nodules are typically observed by chest radiography or computer tomography imaging.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-respiratory-system",
        "name": "Abnormality of the respiratory system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-respiratory-system"
      }
    ],
    "broader": [
      {
        "slug": "abnormal-pulmonary-thoracic-imaging-finding",
        "name": "Abnormal pulmonary thoracic imaging finding",
        "url": "https://dantelabs.com/traits/abnormal-pulmonary-thoracic-imaging-finding"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "ncf2",
        "symbol": "NCF2",
        "hgnc": "HGNC:7661",
        "name": "neutrophil cytosolic factor 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ncf2"
      },
      {
        "slug": "ctla4",
        "symbol": "CTLA4",
        "hgnc": "HGNC:2505",
        "name": "cytotoxic T-lymphocyte associated protein 4",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ctla4"
      },
      {
        "slug": "hla-dpa1",
        "symbol": "HLA-DPA1",
        "hgnc": "HGNC:4938",
        "name": "major histocompatibility complex, class II, DP alpha 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hla-dpa1"
      },
      {
        "slug": "hla-dpb1",
        "symbol": "HLA-DPB1",
        "hgnc": "HGNC:4940",
        "name": "major histocompatibility complex, class II, DP beta 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/hla-dpb1"
      },
      {
        "slug": "prtn3",
        "symbol": "PRTN3",
        "hgnc": "HGNC:9495",
        "name": "proteinase 3",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/prtn3"
      },
      {
        "slug": "ptpn22",
        "symbol": "PTPN22",
        "hgnc": "HGNC:9652",
        "name": "protein tyrosine phosphatase non-receptor type 22",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ptpn22"
      },
      {
        "slug": "stat1",
        "symbol": "STAT1",
        "hgnc": "HGNC:11362",
        "name": "signal transducer and activator of transcription 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/stat1"
      }
    ]
  }
}