[Pathologic analysis of 2,689 polyps in the recto-anal canal].
D000328:Adult; D000367:Age Factors; D001005:Anus Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000145:classification / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000473:pathology*