RecruitingCombination productPaclitaxel-Coated Balloon Treatment of Chronic RhinosinusitisThis is a prospective, multicenter, randomized, controlled, double-blind clinical trial enrolling 300 adult subjects with chronic rhinosinusitis (CRS) with and without nasal polyps (CRSwNP and CRSsNP) indicated for endoscopic sinus surgery (ESS).