GFM1 and neoplasm: The size of subcutaneous formed tumor masses of the SGC wt (1.05±0.3 cm) and SGC-NS (1.01±0.2 cm) groups were significantly bigger than the CD97/EGF1,2,5 kd group (0.4±0.05 cm) as indicated in Figure 3A and no regional or distant metastasis was observed.