This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Pathology
[{'content': 'Polycystic kidney disease is associated with cysts in all cases except \nSelect and explain. \nA. Lung, B. Liver, C. Pancreas, D. Brian', 'role': 'user'}, {'content': 'Answer: D \nExplanation: About 40percnt have 1 to several cysts in the liver that are usuallu asymptomatic. Cysts occur muvh less frequently in the spleen pancreas and lungs', 'role': 'assistant'}]