Finally, the tumor masses among the three groups had significantly different weights (0.45 ± 0.09 g in the H460 group, 0.21 ± 0.04 g in the MSCs IFN-γ group, and 0.72 ± 0.26 g in the MSCs group, P < 0.05). The gene discussed is IFNG; the disease is neoplasm.