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: Pathology
The most common site for metastasis from carcinoma of cheek: 
Select and explain. 
A. Brain, B. Regional lymph nodes, C. Lung, D. Liver
B: Regional lymph nodes
Answer: B: Regional lymph nodes 
Explanation: None