Among them, several genes have significant effects on the survival prognosis and TMN stage of COAD, such as NTN5, PPP1R1A, EFHD1, EME1, GLDN, CYP4F12, C1R1.AS1, VWCE, TRPM5, and TLR6. This evidence concerns the gene PPP1R1A and colon adenocarcinoma.