This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast Cancer - Types and Staging, Subject name: Surgery
[{'content': 'This appearance of mammary skin is due to \nSelect and explain. \nA. Intra-epithelial cancer, B. Sub-epidermal cancer, C. Lymphatic penetration, D. Vascular embolization', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Lymphatic penetration.Observe the dotted dimpling on the skin which resembles orange peel, hence the name peau-d-orange.Peau-d-orange is due to cutaneous lymphatic blockage, leading to an appearance like orange skin, this condition is due to lymphatic penetration by tumor cells.Image source- style="font-family: Times New Roman, Times, serif">', 'role': 'assistant'}]