This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
14.All of the following are true about antrochonal polyp,except: 
Select and explain. 
A. Single, B. Unilateral, C. Premalignant, D. Arises from maxillary antrum
C: Premalignant
Answer: C: Premalignant 
Explanation: Ref: Dhingra 7e pg 195.