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
Which of the following  CNS tumor can spread through CSF? 
Select and explain. 
A. Ependymoma, B. CNS lymphoma, C. Medulloblastoma, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Tumors that spread through CSF:

Pinealoblastoma
Germ cell tumors
Medulloblastoma
CNS lymphoma
Some anaplastic ependymoma