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': 'Level 3 axillary lymph nodes : \nSelect and explain. \nA. Anterior, B. Posterior, C. Central, D. Apical', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Level III axillary lymph nodes are part of Apical axilla. They include the nodes which lies medial to medial margin of pectoralis minor, namely, subclavicular, infraclavicular or apical. The apical lymph nodes drain lymph from anterior, posterior, central and lateral group of axillary lymph nodes. So they are the terminal group of axillary lymph nodes.', 'role': 'assistant'}]