BRCA2 and polyposis: These are 53 families carryingBRCA1/BRCA2 germline mutation, 33 with a mutationin Lynch-related genes, 30 TP53 mutated, 44 with germline mutations inthe APC gene, six with MUTYH associated polyposis,five with VHL mutations, two with MEN2A and one with HDGC.