MERTK and gastric adenocarcinoma: To explore the role of MerTK in gastric adenocarcinoma (GAC), we analyzed the expression of MerTK and other TAMR family members Axl and Tyro3 in a panel of gastric cancer cell lines (MKN45, SNU1, SNU5, KATO‐III, NCI‐N87, and AGS).