Pancolitis, in its most general sense, refers to inflammation of the entire colon. This can be caused by a variety of things. Pancolitis or universal colitis is frequently used in a more specific fashion to denote a very severe form of ulcerative colitis. This form of ulcerative colitis is spread throughout the entire large intestine including the right colon, the left colon, the transverse colon, descending colon, and the rectum. A diagnosis can be made using a number of techniques but ... more on Wikipedia

Symptoms of Ulcerative Colitis Symptoms of Inflammatory Bowel Disease