system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 25-year-old man comes to the physician with intermittent bloody diarrhea over the past 2 months. He has occasional abdominal pain. His symptoms have not improved over this time. He has no history of a serious illness and takes no medications. His blood pressure is 110/70 mm Hg, pulse is 75/min, respirations are 14/min, and temperature is 37.8°C (100.0°F). Deep palpation of the abdomen shows mild tenderness in the right lower quadrant. Colonoscopy shows diffuse erythema with a sandpaper pattern involving the rectosigmoid and descending colon, with normal mucosa of the rest of the colon. Biopsy shows involvement of the mucosal and submucosal layers with distortion of crypt architecture and crypt abscess formation. This patient is most likely to develop which of the following hepatobiliary diseases?
assistant
Primary sclerosing cholangitis