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
[{'content': 'Which of the following brain tumors does not spread via CSF ? \nSelect and explain. \nA. Germ cell tumors, B. Medulloblastoma, C. CNS lymphoma, D. Craniopharyngioma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Brain tumors spreading via CSF \n\nEpendymoma\nPineoblastoma\nChoroid plexus carcinoma\nMedulloblastoma\nGerminoma\nAstrocytoma\nCNS lymphoma', 'role': 'assistant'}]