Likewise, the expression of seven of the 8 prognostic hub genes (CENPE, SPDL1, RACGAP1, HMMR, TRIP13, CKAP2, and CKAP5) was significantly related to the AFP level in HCC (p < 0.05) (Figure 5D). Here, RACGAP1 is linked to hepatocellular carcinoma.