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. 2021 Aug 13;15:329–341. doi: 10.2147/BTT.S325019

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© 2021 Xu et al.

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Different expression patterns of HHLA2 and PD-L1 in HCC. (A) Representative images of PD-L1 expression in the peri-tumor region of HCC tissue (scale bar: 100 μm). (B) The correlation between HHLA2 and PD-L1 expression in the peri-tumor region of HCC. (C) The relationship between HHLA2/PD-L1 expression patterns, as well as the infiltration of CD163⁺ and CD204⁺ cells. (D) Kaplan-Meier curves of HHLA2/PD-L1 expression patterns in HCC patients. *P < 0.05 and **P < 0.01.