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
For small pneumothorax, X-ray is done in: 
Select and explain. 
A. Inspiration PA view, B. Expiration PA view, C. Lateral decubitus, D. Supine
B: Expiration PA view
Answer: B: Expiration PA view 
Explanation: Ans. Expiration PA view