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: Radiology
Perihilar fluffy opacities on chest X-ray is seen in: 
Select and explain. 
A. Pulmonary embolism, B. Pericardial effusion, C. Pulmonary aerial hypeension, D. Pulmonary venous hypeension
D: Pulmonary venous hypeension
Answer: D: Pulmonary venous hypeension 
Explanation: Ans. Pulmonary venous hypeension