
Keywords: سندرم Li-Fraumeni; Gastric cancer; E-cadherin; H pylori; Diffuse Gastric Cancer; GAPPS; Lynch Syndrome; Li-Fraumeni Syndrome; Peutz-Jeghers Syndrome; Juvenile Polyposis Syndrome; DGC; diffuse gastric cancer; FAP; familial adenomatous polyposis; GAPPS; gastric adenocarcinoma