This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroradiology, Subject name: Radiology
[{'content': 'Most common intraparenchymal brain tumor to show calcification is? \nSelect and explain. \nA. Meningioma, B. Oligodendroglioma, C. Astrocytoma, D. Ependymoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Most common Intraparenchymal brain tumor to show calcification is Oligodendroglioma(usually frontal lobes and shows chickenwire calcifications)', 'role': 'assistant'}]