Corresponding to the virtual absence of tumor foci, we observed higher numbers of IFN-γ spot forming units (Fig. 3D) and OVA/Kb tetramer+ T lymphocytes (Fig. 3E) in the lungs at the time of tumor challenge (day 21) in mice immunized with OVA+aGalCer, relative to those immunized with OVA alone. Here, IFNG is linked to neoplasm.