IL2 and neoplasm: At the end of the study, 39 days after the 1st Vδ2 T cell injection, the average tumor volume for LV-shFDPS and LV-shFDPS-IL2 was 1835 ± 289 and 1900 ± 210 mm3 which was reduced to 356 ± 140 mm3 and 116 ± 55 mm3 when combined with Vδ2 T cell treatment, respectively (Figure 4C).