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': 'Stereotactic Radio-surgery is a form of – \nSelect and explain. \nA. Radiotherapy, B. Radioiodine therapy, C. Robotic Surgery, D. Cryo Surgery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Despite its name, radiosurgery is a form of radiation therapy, not surgical procedure.', 'role': 'assistant'}]