This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tuberculosis, Subject name: Medicine
Broncholithiasis is a feature of? 
Select and explain. 
A. Cystic fibrosis, B. Tuberculosis, C. Pulmonary lymphangioleiomyomatosis, D. Parathyroid adenoma
B: Tuberculosis
Answer: B: Tuberculosis 
Explanation: Cystic Fibrosis cause infections, recurrent pneumonia and bronchiectasis Parathyroid adenoma will cause calcification but not in the airway It causes nephrocalcinosis. Pulmonary lymphangio leiomyomatosis Hyperplasia of smooth muscle. Commonly seen in females Depends on estrogen Present with Pneumothorax, Pleural effusion No calcifications seen TB -Lymph nodes enlarged and calcified- erosion of airways.