| EGFR | Epidermal growth factor receptor |
| CD44 | Cluster of differentiation 44 (hyaluronic acid receptor) |
| CD24 | Cluster of differentiation 24 |
| CSC | Cancer stem cell |
| ALDH | Aldehyde dehydrogenase |
| ESR1 | Estrogen receptor 1 (alpha) |
| PGR | Progesterone receptor |
| HER2 | Human epidermal growth factor receptor type 2 |
| PDX | Patient-derived xenograft |
| TNBC | Triple negative breast cancer |
| CMG | Cisplatin, Metformin and Gefitinib combination |
| MG | Metformin and gefitinib combination |