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: Pediatrics
Most common lobe involved in congenital lobar emphysema 
Select and explain. 
A. Right upper lobe, B. Right middle lobe, C. Left upper lobe, D. Left lower lobe
C: Left upper lobe
Answer: C: Left upper lobe 
Explanation: Congenital lobar emphysema present with respiratory distress. Most common lobe involved is Left upper lobe. X-ray shows shift of mediastinum to Right side.