Fig. 7From: A prognostic model for oral squamous cell carcinoma using 7 genes related to tumor mutational burdenCorrelation between several important immune checkpoint and Risk Score. A Correlation chord diagram of Risk Score and five immune checkpoints. B–D Box plots of CTLA4, TDO2 and TIGIT. Red and blue represent the high- and low-risk groups. The vertical axis is the expression of immune points. P value was calculated by wilcoxon methodBack to article page