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
The most common physical sign of cerebral metastasis- 
Select and explain. 
A. Epilepsy, B. Focal neurological deficit, C. Papilloedema, D. Visual defects
B: Focal neurological deficit
Answer: B: Focal neurological deficit 
Explanation: None