
Keywords: گاستریت آتروفی; Helicobacter pylori; Neoplasm; Precancer; Preneoplasia; AG; atrophic gastritis; CRC; colorectal cancer; EGD; esophagogastroduodenoscopy; ESD; endoscopic submucosal dissection; GA; gastric adenocarcinoma; ICER; incremental cost-effectiveness ratio; IM; int