Gastric cancer (GC) remains a pressing international health problem, with more than 1 million new cases annually.1Bray F. et al.CA Cancer J Clin. 2018; 68: 394-424Crossref PubMed Scopus (39142) Google Scholar Because Helicobacter pylori is an initiator, screen-and-treat strategy provides possible solution.2Graham D.Y. Gastroenterology. 2015; 148: 719-731Abstract Full Text PDF (292) Scholar,3Sug...