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: Pediatrics
[{'content': 'Drop metastases is seen in \nSelect and explain. \nA. Medulloblastoma, B. Ependymoma, C. Cerebellar astrocytoma, D. Neuroblastoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Drop metastases - Dissemination through CSF giving rise to nodular masses at some distance from primary tumour. It is seen in Medulloblastoma', 'role': 'assistant'}]