ENG and neoplasm: The average tumor volume of each group at 42 days after injection was 611.85 ± 71.96, 644.69 ± 64.91, 463.33 ± 52.20, and 229.75 ± 53.91 mm3, with average tumor weight of 0.336 ± 0.084, 0.354 ± 0.071, 0.233 ± 0.063, and 0.103 ± 0.043 g for the PBS, pcDNA3.1-CSF1-mES, anti-CD105 mAb, and ILp/pcDNA3.1-CSF1-mES groups, respectively.