This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bile duct, Subject name: Surgery
[{'content': 'A 45 years old male presented with recurrent attacks of cholangitis. MRCP and ERCP findings are given below. What is the treatment of choice for this condition? \nSelect and explain. \nA. ERCP with stenting, B. High dose ursodeoxycholic acid, C. High dose prednisolone, D. Liver transplantation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Primary sclerosing cholangitis. More common in males Smoking is protective Associated with ulcerative colitis. IOC - MRCP Gold standard - ERCP TOC is liver transplantation | if not available High dose ursodeoxycholic acid (to control inflammation).', 'role': 'assistant'}]