[1] GOLIGHER J E. Recent trends in the practice of sphincter excision for carcinoma of surgery, 1996 [2] WILLIAM N S, DIXON M F, Johnston D. Reappraisal of the 5 cintimetire rule of distal excision for carcinoma of the rectum:a study of distal intramureal spread and of patients surviral. 1983. doi:10.1002/bjs.1800700305 [3] 齐立行. 可切除直肠结肠癌的辅助治疗, 1998(5)