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
All form the posterior wall of axilla EXCEPT: 
Select and explain. 
A. Subscapularis, B. Subclavius, C. Teres major, D. Latissimus dorsi
B: Subclavius
Answer: B: Subclavius 
Explanation: Subclavius forms the anterior wall of axilla