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
Lingular lobe bronchiectasis is due to 
Select and explain. 
A. Mycobacterium Avium intracellulare infection, B. Cystic Fibrosis, C. Tuberculosis, D. Aspergillosis
A: Mycobacterium Avium intracellulare infection
Answer: A: Mycobacterium Avium intracellulare infection 
Explanation: MAC infection causes middle lobe and Lingulor lobe bronchiectasis :

Tuberculosis - Unilateral upper lobe bronchiectasis.
Cystic Fibrosis - Bilateral upper lobe bronchiectasis.
Aspergillosis - Central bronchiectasis.