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: Radiology
[{'content': 'Which one of the following statements is wrong regarding adult polycystic kidney disease? \nSelect and explain. \nA. Kidneys are enlarged in size, B. The presentation is unilateral, C. Intracranial aneurysms may be associated, D. Typically manifests in the 3rd decade', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. The presentation is unilateral', 'role': 'assistant'}]