Methods:Either trans abdominal or trans perineal draining of pelvic cavity was used in 298 patients with rectal cancer undergoing the Miles abdominoperineal amputation.

• 方法:对298例直肠癌经腹会阴联合切除后采用经腹部腹膜外(经腹部组)或经会阴(经会阴组)的两种不同的盆腔引流方式进行比较。