Fig. 1

a Heatmap of m6A-related gene expression in 374 HBV-related tumor tissues and 50 normal tissues. “*” represents statistical significance at P < 0.05, “**” represents statistical significance at P < 0.01, and “***” represents statistical significance at P < 0.001. b Forest plot of the univariate Cox regression analysis in m6A-related genes. c and d Establishment of the Lasso regression model