IFNG and neoplasm: Analysis of tumor infiltrating lymphocytes (TILs) showed that as compared to GFP- and Ezh2-Pmel-1 cell recipients, Ezh2S21A-Pmel-1 cell recipients had 1.5-fold higher frequency of TILs (Figs. 7f), 5-fold more total GFP+ TILs and 4-fold more IFN-γ-producing GFP+ TILs (Fig. 7g).