RGS2, GNAI2, ANXA5, MARCKS, CD36, NRP1, and PDE4A were the prognostic factors of STAD, among which, GNAI2 and PDE4A were protective indicators, while RGS2, ANXA5, MARCKS, CD36 and NRP1 were risk indicators (Fig. 3D). Here, GNAI2 is linked to gastric adenocarcinoma.