Small bowel resection is used to treat: A blockage in the intestine caused by scar tissue or congenital (from birth) deformities; Bleeding, infection, or ulcers caused by inflammation of the small intestine from conditions such as Crohn disease ; Cancer; Carcinoid tumor; Injuries to the small intestine; Meckel diverticulum (a pouch on the wall of the lower part of the intestine that is present …