Cheng XW, Liu Z, Guo CH, Li FL, Pan YQ, Liu Y, Liu FF, Chen HY, Yang WL, Tian HR, Shi C, He ZH, Liu MF, Ke Y. Upper gastrointestinal endoscopic screening serves as a primary prevention approach by reducing modifiable risk factors. World J Gastrointest Oncol 2026; 18(4): 116949 [DOI: 10.4251/wjgo.v18.i4.116949]