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
Most common site for venous thrombosis - 
Select and explain. 
A. Popliteal vein, B. Soleal vein, C. Femoral vein, D. Internal iliac vein
B: Soleal vein
Answer: B: Soleal vein 
Explanation: None