Abstract Background Endoscopic mucosal resection (EMR) and endoscopic submucosal dissection (ESD) are widely used techniques for the treatment of gastric epithelial dysplasia. Previous studies have compared the clinical outcome of endoscopic resection for early gastric cancer. but few studies have focused on gastric dysplasia alone. This study aimed to evaluate the long-term prognosis... https://www.megavitamines.shop/product-category/vitamin-d3-k2/