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: Medicine
[{'content': 'Lymph nodes of which area are not easily palpable? \nSelect and explain. \nA. Axilla, B. Neck, C. Groin, D. Abdomen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]