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 lines are seen in – a) Pleural effusionb) Mitral stenosisc) Pericardial effusiond) Interstitial edemae) Lymphangitis carcinomatosis 
Select and explain. 
A. bde, B. ade, C. ace, D. bce
A: bde
Answer: A: bde 
Explanation: Mitral stenosis, interstitial edema due to pulmonary hypertension and lymphangitis carcinomatosis can cause Kerley `B' lines.