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: Medicine
Cavitatory lesions in lung are seen in: 
Select and explain. 
A. Primary pulmonary tuberculosis, B. Staphylococcal pneumonia, C. Pneumoconiosis, D. Interstitial lung disease
B: Staphylococcal pneumonia
Answer: B: Staphylococcal pneumonia 
Explanation: None