Figure 1. CIBERSORT analysis and clinical significance of Treg cells in ccRCC. (A) Relative percentage of each type of immune cell in 539 ccRCC samples from TCGA cohort. (B) Proportion of Treg cells in different pathological grades. (C) Proportion of Treg cells in different AJCC stages. (D) Overall survival between patients with high and low proportions of infiltrating Treg cells.