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: Microbiology
Infraclavicular lesion in tuberculosis is 
Select and explain. 
A. Ghon focus, B. Assman focus, C. Simon focus, D. Puhl's focus
B: Assman focus
Answer: B: Assman focus 
Explanation: Assman focus - Infraclavicular lesion.