PPIL2 and hepatocellular carcinoma: There were 10 genes associated with survival in HCC patients, including FKBP6, CWC27, PPIH, FKBP10, PPIL2, FKBP1A, PPIL1, FKBP9, FKBP14, and PPIA (Table 1, p < 0.05).