VTN and neoplasm: The group co‐injected with NIH3T3‐LV‐VTN and CT26 exhibited the largest and heaviest tumor volume, followed by the NIH3T3‐LV‐VEC and CT26 group, and finally the CT26 cells alone group, with statistically significant differences observed between each pair of groups (Figure 2K–M and Figure S3H–J, Supporting Information).