Among the 14 mRNAs in the prognostic model of progressive-stage STAD, 13 mRNAs (CHAF1A, VCAN, CDH11, PDGFRB, BMP1, ASPN, BGN, GINS4, COL6A3, ECT2, IBSP, KIF18B, and INCENP) were upregulated, while one mRNA (GCG) was downregulated. Here, PDGFRB is linked to gastric adenocarcinoma.