This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Interstitial Lung Disease, Subject name: Medicine
The following CT chest shows the presence of. 
Select and explain. 
A. Pneumoconiosis, B. Primary carcinoma of lung, C. Bronchiectasis, D. Chronic bronchitis
A: Pneumoconiosis
Answer: A: Pneumoconiosis 
Explanation: CT chest -shows small, discrete nodules more in posterior areas in bilateral lung fields, suggestive of Pneumoconiosis. Lung cancer - will not have a diffuse involvement and is ruled out. Bronchiectasis - has dilated deformed airways filled with pus which are not visualized in this CT scan.