This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
Most common site of carcinoma of paranasal sinus is? 
Select and explain. 
A. Frontal, B. Ethmoid, C. Maxillary, D. Sphenoid
C: Maxillary
Answer: C: Maxillary 
Explanation: Ans. (c) MaxillaryRef: Dhingra's 4th ed p-195