This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, 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: Causes of cavitation include infections malignancies tuberculosis but not primary ptb pulmonary abscess septic emboli nontb mycobacterium infection aspergillosis systemic diseases like granulomatosis with polyangitis, sarcoidosis.