CLTA and hepatocellular carcinoma: Although Kaplan–Meier analysis predicted a worse overall survival in HCC patients with high expression of CLTA, CLTB, or CLTC, the hazard ratio of CLTA (HR, 2.2) was higher than CLTB (HR, 1.5) and CLTC (HR, 1.8) (Fig. 1C; Fig. S1C-S1D).