NOTE: The thicknesses for backing flanges noted in the tables are applicable to. steel. Different metals demand different thicknesses for the same performance, so for. metals other than steel, consideration must be given to thickness. Although Tables 4, 5, 6 and 7 in these guidelines make reference to pressure ratings.
Big difference : A subtotal colectomy is removing almost all the colon; usually just a couple of inches are left near the rectum. A partial colectomy is not done AFTER a subtotal colectomy because there is basically no colon left.
Definition. This is a procedure to remove all or part of the colon. The colon, or large intestine, is the lower part of the intestinal tract. In a partial colectomy, only part of the colon is removed.In a total colectomy, all of the colon is removed.otal Colectomy. In a total colectomy, the entire colon will be removed through the incision. In some cases, the last part of the small intestine, called the ileum, is then connected to the rectum.