This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Screening for Disease, Subject name: Social & Preventive Medicine
[{'content': 'Following are screening methods except \nSelect and explain. \nA. FNAC, B. Mammography, C. Breast self examination, D. Thermography', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans) a (FNAC) Ref park 20th ed p 336Screening methods for breast cancer include breast self examination, palpation by a physician, thermography and mammography. USG is not a screening method.', 'role': 'assistant'}]