<qa>  What is the main reason surgeons have been trying to standardize the pull-out of theIt has been difficult to standardize the pull-out of the colon and the size, shape and sutures of the colostomy due to the different techniques employed and varying levels of skill of surgeons in different regions.Thus, various postoperative colostomy complications are inevitable after surgery. Surgeons have been looking for a simple and efficient way to standardize colostomy and reduce its complications. 