Objectives Post-radiation nasopharyngeal necrosis (PRNN) is a serious complication that severely impacts the quality of life and survival of nasopharyngeal carcinoma patients. Endoscopic debridement is considered the first-line treatment for PRNN. This study aimed to analyze clinical outcomes. focusing on the mucosal resurfacing status and the effectiveness of salvage operations. https://www.herbsdailyes.shop/product-category/green-tea-extract/