This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Polycystic Kidneys, Subject name: Medicine
[{'content': 'Which of the following is the most common extra-renal involvement in autosomal dominant polycystic kidney disease? \nSelect and explain. \nA. Mitral valve prolapsed, B. Hepatic cysts, C. Splenic cysts, D. Colonic diveiculosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hepatic cysts are the most common extrarenal manifestations of Adult Polycystic Kidney Disease.', 'role': 'assistant'}]