CTLA4 and hepatocellular carcinoma: Furthermore, we observed significant negative correlation between the expression of CCL14 and the expression of exhausted T cell markers in HCC, namely, PD-1 (r=-0.191; p=3.73e-04), CTLA-4 (r=-0.257; p=1.35e-06), and TIM-3 (r=-0.285; p= 7.43e-08).