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: ENT
All are true about Adult laryngeal papilloma except- 
Select and explain. 
A. M >F, B. Do not recur, C. Posterior half of vocal cord, D. Treatment is surgery
C: Posterior half of vocal cord
Answer: C: Posterior half of vocal cord 
Explanation: None