This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Commonest site for carcinoma of the breast- 
Select and explain. 
A. Lower inner quadrant, B. Nipple, C. Upper inner quadrant, D. Upper outer quadrant
D: Upper outer quadrant
Answer: D: Upper outer quadrant 
Explanation: None