This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous system, Subject name: Pathology
Medulloblastoma most commonly metastasize to 
Select and explain. 
A. Lung, B. CSF, C. Liver, D. Bone
B: CSF
Answer: B: CSF 
Explanation: Spread through the CSF is common, may present as nodular masses anywhere in the CNS. Metastases to the cauda equina are sometimes termed drop metastases. Refer robbins 9/e 844