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': 'Intracranial calcification in skull X-rays may be: \nSelect and explain. \nA. Pineal calcifications, B. Dural calcifications, C. Cysticercosis, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. All of the above', 'role': 'assistant'}]