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: Radiology
A known case of pancreatitis presents on Day 4 with breathlessness, basal crepitations. Diagnosis is: 
Select and explain. 
A. Lung collapse, B. Pleural effusions, C. ARDS, D. Aspiration pneumonia
C: ARDS
Answer: C: ARDS 
Explanation: Ans. C ARDSPerihilar fluffy opacities - Bat wing opacitiesQ seen in pulmonary edema (cardiogenic/non-cardiogenic), ARDS. Common pulmonary complications of pancreatitis are ARDS, pleural effusion (mostly left sided) and consolidation.