Ulcerative colitis is a form of inflammatory bowel disease that can be extremely disabling. "It has an autoimmune component that involves the lining of the large intestine, and only the lining of the large intestine," says Harris. That's why reconstructive surgery is so good and curative–because the disease doesn't penetrate into the wall of the intestine, like Crohn's disease does. ... Click Here to Read More Click Here to Read More