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': 'All form the posterior wall of axilla EXCEPT: \nSelect and explain. \nA. Subscapularis, B. Subclavius, C. Teres major, D. Latissimus dorsi', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Subclavius forms the anterior wall of axilla', 'role': 'assistant'}]