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': 'Lymphatic drainage of breast - \nSelect and explain. \nA. Axillary, B. Supraclavicular, C. Internal mammary, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: (a) Axillary; (b) Supraclavicular; (c) Internal mammary', 'role': 'assistant'}]