PRL and hepatocellular carcinoma: Thereafter, on the basis of multivariate Cox assessment, the PRL score of each HCC samples were estimated according to the 5 independent prognostic variables, the PRL score = 0.903 × AL442125.2 + 0.872 × MIR4435 − 2HG + 1.043 × AC026412.3 + 0.389 × LINC01224 + 0.691 × AC026356.1.