Fig. 5

In rectal cancer, forest plots of the fixed-effect subgroup meta-analysis for the efficacy of CD3+ and CD8+T cell for CSS (a) and OS (b). The subgroup analysis of FOXP3+T cell for OS (c). The horizontal bars indicate the 95% CIs. CD3+/IM: analysis of infiltration density of tumor infiltrating lymphocytes based on invasive tumor margin; CD3+/ST: analysis of infiltration density of tumor infiltrating lymphocytes based on tumor stroma; CD3+/TC: analysis of infiltration density of tumor infiltrating lymphocytes based on tumor center