This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non-Communicable Diseases, Subject name: Social & Preventive Medicine
[{'content': 'Which one of the following is the most sensitive and specific screening test to detect Breast cancer:(2001) \nSelect and explain. \nA. Regular X-ray, B. Self breast examination, C. Mammography, D. Regular biopsy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: cRef: Park, 17th ed, p. 290 & 18th ed, p. 307', 'role': 'assistant'}]