We found that greater percentage of tumor-infiltrating P14IL-2 (0 h) effector T cells produced granzyme B and IFNγ than P14 and P14IL-2 (24 h) effector T cells (granzyme B: 47.13% vs. 18.59% vs. 30.73%, IFNγ: 35.26% vs. 27.29% vs. 27.26%). The gene discussed is IFNG; the disease is neoplasm.