Methods Patients with low rectal cancer,collected from July 2003 to April 2006,were randomly divided into laparoscopic abdominoperineal resection group(37 cases) and open abdominoperineal resection group(37 cases).

• 方法将2003年7月至2006年4月收治的低位直肠癌患者随机分为两组,37例行腹腔镜腹会阴联合切除术(腹腔镜组),另37例常规开腹行腹会阴联合切除术(开腹组);