| B2M | Beta-2 microglobulin |
| CTC | Circulating tumor cells |
| ctDNA | Circulating tumor DNA |
| EGFR-TKIs | Epidermal Growth Factor Receptor-Tyrosine Kinase Inhibitors |
| EMT | Epithelial-to-mesenchymal transition |
| HD | Healthy donors |
| ICI | Immune checkpoint inhibitors |
| NSCLC | Non-small-cell lung cancer |
| PB | Peripheral blood |
| PBMC | Peripheral blood mononuclear cells |
| PD | Progression of disease |
| TME | Tumor microenvironment |
| VIM | Vimentin |