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
[{'content': "Nipple inversion occurs due to involvement of? \nSelect and explain. \nA. Cooper's ligament, B. Subareolar duct, C. Parenchyma of breast, D. Subdermal lymphatics", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Subareolar ductInversion ofnipple is due to fibrosis in and around subareolar duct.', 'role': 'assistant'}]