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: Medicine
Most common site for secondary metastasis in a case of Hypemephroma: 
Select and explain. 
A. Adrenal, B. Lungs, C. Brain, D. Bones
B: Lungs
Answer: B: Lungs 
Explanation: Answer is B (Lungs) 'The most common site of distant metastasis (in RCC) is the lung'