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
[{'content': 'Least common quadrant of cancer breast \nSelect and explain. \nA. Superior Outer, B. Inferior Outer, C. Sub areolar, D. Lower inner quadrant', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Lower Inner Quadrant* MC site - Upper outer (60%)* Central/areolar (12%)* Upper Inner (12%)* Lower Outer (10%)* Least Common site - Lower Inner (6%)', 'role': 'assistant'}]