Villous tumors of the rectum.
D000236:Adenoma / Q000175:diagnosis / Q000601:surgery*; D000368:Aged; D002277:Carcinoma / Q000175:diagnosis / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000601:surgery*