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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
Most common nasal mass:
assistant
The correct answer is  Benign conditions show a peak during second to fouh decade of life, while malignancy is generally observed only after the 4th decade. Polyps are the most common benign lesion, while squamous cell carcinoma is the most common malignant tumour of the sinonasal tract. Nasal obstruction is the most common symptom.