Rectal sparing in familial polyposis coli.
D003110:Colonic Neoplasms / Q000235:genetics*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000235:genetics*; D008875:Middle Aged; D010375:Pedigree; D012004:Rectal Neoplasms / Q000235:genetics*