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: Pathology
Ghon complex of the lung usually 
Select and explain. 
A. Undergoes cavitation, B. Undergoes calcification, C. Progresses to tuberculous pneumonia, D. Progresses to military tuberculosis
B: Undergoes calcification
Answer: B: Undergoes calcification 
Explanation: None