Abdominoperineal resection with sphincter preservation for carcinoma of the midrectum.
D000005:Abdomen; D013505:Digestive System Surgical Procedures; D006801:Humans; D010388:Pelvis; D010502:Perineum / Q000601:surgery*; D012004:Rectal Neoplasms; D012007:Rectum
PERINEUM/surgery; RECTUM/neoplasms