has material basis in germline mutation in HAVCR2 hereditary neoplastic syndrome HAVCR2-related cancer predisposition https://github.com/monarch-initiative/mondo/issues/9422 GARD:0028172 HAVCR2-related subcutaneous panniculitis-like T-cell lymphoma and/or hemophagocytic lymphohistiocytosis predisposition HAVCR2-related SPTCL and/or HLH predisposition MONDO:1060169 Hereditary cancer predisposition due to variation(s) in the HAVCR2 gene, which confers the predisposition to susceptibility to subcutaneous panniculitis-like T-cell lymphoma (SPTCL) and hemophagocytic lymphohistiocytosis (HLH). Affected individuals typically present with multiple subcutaneous nodules and systemic B symptoms.