Tubeless NOSES Versus Laparoscopic Radical Resection for Rectosigmoid Cancers

The whole procedures undergo by total laparoscopic surgery with no specimen extraction incision in the abdominal wall. The specimen then will be removed through natural orifice such (anal).

The traditional laparoscopic operation undergo and then a small incision(5-8cm) is made in the middle of the lower abdominal wall to remove the specimen.