对中、下段直肠癌的治疗,首先要选择根治性切除的术式;其次再设法保留原有的肛门或在会阴部设置人工肛门,以改善患者手术后的生活质量。我们认为,对中段(距肛口7～11cm)直肠癌,经腹切除并用吻合器等改进缝合,扩大保留肛门的手术病例,术后近期局部复发 For the treatment of rectal cancer in the middle and lower segment, first we must choose the radical resection of the operation; Second, then try to retain the original anus or artificial anus in the perineum to improve the quality of life after surgery. We believe that for the middle segment (7-11cm from the anus) of rectal cancer, abdominal resection and improved suture with stapler, etc., expand the surgical case to retain the anus, local recurrence after the recent postoperative