CCNA2 and hepatocellular carcinoma: Our result showed that PTHLH feedback-mediated cell adhesion molecular network consisted of BUB1B, GNG10, PTHR2, GNAZ, RFC4, UBE2C, NRXN3, BAP1, PVRL2, TROAP, VCAN, CCNA2, CDC6, CDKN2C, and ENAH in HCC, as shown in Table 2.