Correlation of the expression of INK4 family members with immune checkpoints in HCC
(A) The correlation analysis of PD1 (PDCD1) and the expression of all INK4 family members. (B) The correlation analysis of PD-L1 (CD274) and the expression of INK4 family members. (C) The correlation analysis of CTLA-4 and the expression of INK4 family members.