FOXP3 and neoplasm: We found that, in tumor tissues, the proportion of GARP+ cells in Foxp3+ Tregs [9.090% (3.830%, 27.20%)] was remarkably higher than that in Foxp3− Tconvs [0.2410% (0.1440%, 0.4610%), P < 0.0001] (Figure 1B).