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 - \nSelect and explain. \nA. Regular X-ray, B. Self breast examination, C. Mammography, D. Regular biopsy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mammography is the most sensitive and specific in detecting small tumors that are sometimes missed in palpation. Ref- Park&;s textbook of Preventive and social Medicine 24th edition. .', 'role': 'assistant'}]