This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardio thoracic surgery  , Subject name: Anatomy
Most common site for putting chest drain in case of pleural effusion 
Select and explain. 
A. 2nd ICS midclavicular line, B. 7th ICS midaxillary line, C. 5th ICS midclavicular line, D. None of the above
B: 7th ICS midaxillary line
Answer: B: 7th ICS midaxillary line 
Explanation: Site for putting chest drain in pleural effusion - 7th ICS mid axillary line Site for putting needle in spontaneous pneumothorax - 2nd ICS, mid clavicular line