Giant benign leiomyoma of the anorectum.
D000328:Adult; D001003:Anal Canal / Q000473:pathology; D001005:Anus Neoplasms / Q000473:pathology*; D001706:Biopsy; D006801:Humans; D007889:Leiomyoma / Q000473:pathology*; D008297:Male; D012004:Rectal Neoplasms / Q000473:pathology*; D012007:Rectum / Q000473:pathology