This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'A 25 year old woman presents with bloody diarrhea and is diagnosed as a case of Ulcerative colitis. Which of the following condition is not associated with ulcerative colitis? \nSelect and explain. \nA. Iritis, B. Pancreatitis, C. Sclerosing cholangitis, D. Ankylosing spondylitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Pancreatitis is not an associated extraintestinal manifestation of ulcerative colitis. Ulcerative Colitis is associated with: ? Dermatologic: ? ? ? Erythema nodosum ? ? ? Pyoderma gangrenosum ? Rheumatologic: ? ? ? Peripheral ahritis ? ? ? Ankylosing spondylitis ? ? ? Sacroiliitis ? Ocular: ? ? ? Conjunctivitis ? ? ? Anterior uveitis/iritis ? ? ? Episcleritis ? Hepatobiliary: ? ? ? Hepatic steatosis ? ? ? Fatty liver ? ? ? Cholelithiasis ? ? ? Primary sclerosing cholangitis ? Urologic: ? ? ? Calculi ? ? ? Ileal bladder fistulas ? Metabolic bone disorders ? Thromboembolic disorders Ref: Harrisons Internal Medicine, 18th Edition, Chapter 295, Pages 2487-2489', 'role': 'assistant'}]