We confirmed that CD39– Tim3– Slamf6+ PD-1+ cells showed the highest enrichment for Tcf1+ cells in both endogenous and transferred tumor-specific OT1 cells (Figure 1E), which accounted for the ~3.5% of total endogenous or OT1 TILs (Figure 1F). This evidence concerns the gene SLAMF6 and neoplasm.