| EVs | Extracellular vesicles |
| MDSCs | Myeloid-derived suppressor cells |
| PMN | Pre-metastatic niche |
| SCID | Severe-combined immunodeficient mice |
| SEM | Standard error of the mean |
| TCI | Tumor cell injection |
| ECM | Extracellular matrix |
| GO | Gene ontology |
| EVs | Extracellular vesicles |
| MDSCs | Myeloid-derived suppressor cells |
| PMN | Pre-metastatic niche |
| SCID | Severe-combined immunodeficient mice |
| SEM | Standard error of the mean |
| TCI | Tumor cell injection |
| ECM | Extracellular matrix |
| GO | Gene ontology |