Nasal cavity and paranasal sinuses cancer forms in the tissues around or near the nose. The mucosa, a mucus-producing tissue, lines the nasal cavity and paranasal sinuses. Any of the cells in the mucosa can develop into cancer.
According to the American Cancer Society, nasal cavity and paranasal sinus cancers are rare in the United States. Each year, approximately 2,000 people develop the disease, with four out of five cases occurring in individuals over 55 years old. It is more common in men than in women.