IFNG and lung cancer: Advanced non-small cell lung cancer, recurrent lung cancer patients (Phase I study): 1. Increased numbers of Vα24 NKT cells in peripheral blood of a few patients (3/11 patients) after intravenous injection of α-GalCer-pulsed DCs 2. Increased IFN-γ production by NKT cells in one patient after stimulation with pulsed DCs 3. No progression of disease in 2/11 patients