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: Anatomy
[{'content': "Rotter's node is \nSelect and explain. \nA. Interpectoral nodes, B. Internal mammary LN, C. Supraclavicular LN, D. Infraclavicular LN", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans: A Interpectoral nodes Interpectoral (Rotter's) lymph nodes - Small interpectoral lymph nodes located between pectoralis major & pectoralis minor muscles.", 'role': 'assistant'}]