Crohn's disease is a form of inflammatory bowel disease (IBD). It usually affects the intestines, but may occur anywhere from the mouth to the end of the rectum (anus).
Gall stones are hard, pebble-like deposits that form inside the gallbladder.
A colon polyp is a growth on the surface of the colon and is dangerous due to the risk of cancer
A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach cells.