• Named After: Burrill Crohn, an American gastroenterologist.
• A chronic inflammatory condition of the gastrointestinal tract, often affecting the ileum and colon. Symptoms include abdominal pain, diarrhea, weight loss, and malnutrition. It is a type of inflammatory bowel disease (IBD).

• Named After: Allen Whipple, an American surgeon.

A complex surgical procedure that involves removing the head of the pancreas, part of the small intestine, the gallbladder, and the bile duct. It is performed primarily to treat pancreatic cancer or other diseases affecting the pancreas and nearby organs. The full name of this procedure is pancreaticoduodenectomy (pancreatic/o = pancreas, duoden/o = duodenum (first part of the small intestine), -ectomy = surgical removal).