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
Kerley B lines seen in: 
Select and explain. 
A. Pleural effusion, B. Mitral stenosis, C. Pericardial effusion, D. All
B: Mitral stenosis
Answer: B: Mitral stenosis 
Explanation: B i.e. Mitral stenosis