This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
Annual risk of having breast cancer by mammography is 
Select and explain. 
A. 1%, B. 0.01%, C. 2%, D. 2.50%
A: 1%
Answer: A: 1% 
Explanation: (A) 1%