[2 families with familial polyposis].
D000231:Adenocarcinoma, Papillary / Q000235:genetics*; D000293:Adolescent; D000328:Adult; D003110:Colonic Neoplasms / Q000235:genetics*; D006801:Humans; D007417:Intestinal Polyps / Q000235:genetics*; D008297:Male