Chronic Rhinosinusitis & Nasal Polyp
Understanding CRS Chronic rhinosinusitis (CRS) is inflammation of the nose and sinuses lasting more than 12 weeks, despite treatment. Some patients also develop nasal polyps — soft, painless growths inside the nose and sinuses — a form called CRSwNP (chronic rhinosinusitis with nasal polyps). Common symptoms What causes it? CRS develops from ongoing inflammation of …