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': 'Inversion of nipple occurs due to the involvement of \nSelect and explain. \nA. Breast lobules, B. Montogomory tubercles, C. Cooper ligament, D. Lactiferous ducts', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Breast carcinoma arising from lactiferous ducts is called as ductal carcinoma.\n\nBreast carcinoma arising from lobules is called as lobular carcinoma. It is 10% common.\n\nCutaneous Manifestations of Carcinoma Breast\n\nPeau d’orange: Due to obstruction of dermal lymphatics, openings of the sebaceous glands and hair follicles get buried in oedema giving rise to orange peel appearance.\nDimpling of skin due to infiltration of ligament of Cooper.\nRetraction of nipple due to infiltration of lactiferous duct.\nUlceration, discharge from the nipple and areola.\nSkin ulceration and function.\nCancer-en-cuirasse: Skin over the chest wall and breast is studded with cancer nodules appearing like an armour coat.', 'role': 'assistant'}]