从１９９０年３月至１９９６年５月，作者为２４例低位直肠癌患者施行了经腹直肠癌切除术，经肛门结肠肛管吻合术，同时辅加临时性横结肠造瘘术。对２０例已行结肠造瘘还纳术，术后半年的患者统计其日排便次数，结果为：每日排便１～２次者９例，每日３～４次者８例。按Ｐａｒｋｓ制定的评判肛门功能标准评定，本组术后肛门功能优为４５％，良为４０％，优良率为８５％。 From March 1990 to May 1996, the authors performed 24 cases of rectal cancer patients undergoing resection of rectal cancer, transanal colon anal anastomosis, and temporary temporary transverse colostomy. Of the 20 patients who had undergone colostomy surgery, six months after the operation, the number of defecations per day was counted. The results were: 9 cases of defecation 1 to 2 times per day, and 8 cases of 3 to 4 times per day. According to the criterion of anal function evaluated by Parks, the postoperative anal function was 45%, the good was 40%, and the excellent and good rate was 85%.