Fig. 1
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13000-021-01118-y/MediaObjects/13000_2021_1118_Fig1_HTML.png)
Difference analysis in immune infiltration between the HCC samples and adjacent non-tumor samples. Normal and cancer indicate adjacent non-tumor samples and HCC samples, respectively. P < 0.05 was considered to indicate a statistically significant difference. HCC: hepatocellular carcinoma