system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which of the below is the most common tumor of the nasal cavity?
assistant
The correct answer is  Inveed papilloma also called Schneiderian papilloma is the most common benign but locally invasive tumour. (Ref: Cummings, 6th edition, of no. 741)