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: Surgery
Polycystic disease of the kidney may have cysts in all the following organs except - 
Select and explain. 
A. Lung, B. Liver, C. Pancreas, D. Spleen
A: Lung
Answer: A: Lung 
Explanation: None