Resection of the rectum with anal preservation.
D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012003:Rectal Fistula / Q000209:etiology; D012004:Rectal Neoplasms / Q000601:surgery*; D012007:Rectum / Q000601:surgery*