CCNA2 and colorectal carcinoma: Moreover, we discovered that the CCNA2 (P = .00466), CCNB1 (P = .000223), CDK1 (P = .0218), CKS2 (P = .0141), DLGAP5 (P = .0458), and MAD2L1 (P = .00329) genes were differentially expressed in different stages of CRC (Fig. 6C).