PHOX2B and leiomyosarcoma: Six infertile men presented a history of cancerous or non-cancerous tumors—leiomyosarcoma (BRCA2 p.Ser599Ter), lymphoma (TP53 p.Arg181His), basalioma (WT1 p.Trp151Gly), fibroma and renal cysts (TSC1 p.Ala428fs), neoplasms of uncertain behavior (PHOX2B p.Phe33fs), and schwannomatosis (LZTR1 p.Arg283Gln) (Table 2).