This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pneumothorax, Subject name: Medicine
What is the treatment of spontaneous pneumothorax? 
Select and explain. 
A. IPPV, B. Closed drainage, C. Simple needle aspiration, D. Thoracotomy
C: Simple needle aspiration
Answer: C: Simple needle aspiration 
Explanation: Initial treatment for primary spontaneous pneumothorax is Needle Aspiration Primary spontaneous pneumothorax occurs almost exclusively in smokers; suggests that these patients have subclinical lung disease. If the patient has a recurrent pneumothorax, thoracoscopy with stapling of blebs and pleural abrasion is indicated. Thoracoscopy is almost 100% successful in preventing recurrences.