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': "Paget's disease of breast is a manifestation of \nSelect and explain. \nA. Ductal carcinoma, B. Lobular carcinoma, C. DCIS, D. LCIS", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. (a) Ductal carcinoma(Ref Bailey and Love 27th edition Page 873)* Paget's disease of nipple is the manifestation of underlying Ductal carcinoma, Nipple gets eroded completely and disappears.* Large ovoid cells with abundant Pale staining cytoplasm in malphigian layer of skin is Paget's cells", 'role': 'assistant'}]