This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oncology, Subject name: Surgery
Which of the following is overall most common site of metastasis? 
Select and explain. 
A. Brain, B. Bone, C. Lungs, D. Liver
C: Lungs
Answer: C: Lungs 
Explanation: * Overall most common site of metastasis - Lungs > Liver > Bone > Brain