Fig. 3From: Metronomic cyclophosphamide and metformin inhibited tumor growth and repopulated tumor-infiltrating lymphocytes in an experimental carcinoma modelPeritumoral (A, H&E, magnification x100) and intratumoral lymphocytic infiltrate (B, H&E, magnification x400). Immunohistochemistry for granzyme b showed positive cytoplasmic reaction in both peritumoral (C) and intratumoral (D) lymphocytic infiltrate (C & D, IHC, magnification x400)Back to article page