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: Radiology
[{'content': 'Bracket Calcification is seen is \nSelect and explain. \nA. Sturge Weber syndrome, B. CMV, C. Paragonimus cyst, D. Corpus Callosal lipoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Bracket calcification reflect calcification seen at the periphery of the midline Lipoma.', 'role': 'assistant'}]