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
A 45-years old woman presents with a hard and mobile lumps in the breast. Next investigation is: 
Select and explain. 
A. FNAC, B. USG, C. Mammography, D. Excision biopsy
C: Mammography
Answer: C: Mammography 
Explanation: First investigation done in suspected case of breast cancer: MammographyQ Investigation of choice for diagnosis of breast cancer: BiopsyQ (trucut biopsy/core cut biopsy/ needle biopsyQ)