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': 'Tram like calcifications are seen in \nSelect and explain. \nA. Hemangioma, B. Neurofibromatosis, C. Fibrous dysplasia, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Tram – like calcifications are seen in hemangioma. Bilamellar radioopaque tracks are called as tram like calcifications.', 'role': 'assistant'}]