This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
[{'content': 'What is the investigation done here? \nSelect and explain. \nA. MRI breast, B. Mammography, C. X ray, D. Clinical examination', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Mammography* This is a craiiio-caudal view of mammography being taken* It is a low voltage and high amplitude X ray.* If it\'s a PGI -Question both options "b and c" are correct.', 'role': 'assistant'}]