FOXP3 and nasopharyngeal carcinoma: Of these 106 NPC patients, Kaplan-Meier and log-rank test analyses indicated that the groups with Foxp3+TIL>77.2 cells/HPF (median, n = 53) had a significantly better overall survival (OS, 65 vs. 56 months, median/5 year, P = 0.01) and progression-free survival (PFS, 64 vs. 52 months, median/5 year, P = 0.002) when compared to the groups with Foxp3+TIL = 77.2 cells/HPF (median, n = 53) (Fig 2).