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![The immune microenvironment and progression of immunotherapy and combination therapeutic strategies for hepatocellular carcinoma](https://image.oaes.cc/e3cd90e0-5205-4a97-b4da-8900cdd4c0c6/3845.fig.1.jpg)
Figure 1. The immune microenvironment and immunotherapy for HCC. We divide current HCC immunotherapy into four categories, namely immune checkpoint inhibitors, oncolytic virus therapy, HCC vaccine and chimeric antigen receptor T (CAR-T) cell therapy. HCC: hepatocellular carcinoma