| BC | Breast Cancer |
| FGF | Fibroblast Growth Factor |
| FGFR | Fibroblast Growth Factor Receptor |
| VEGFR | Vascular Endothelial Growth Factor |
| HPSGs | heparan sulfate proteoglycans |
| EC | N-terminal extracellular |
| TM | transmembrane |
| IC | intracellular |
| PI3K | phosphoinositide-3-kinase |
| MAPK | mitogen-activated protein kinase |
| PKC | activates protein kinase C |
| 4-OHT | 4-hydroxytamoxifen |
| TICs | maintaining tumor-initiating cells |
| GWAS | Genome-Wide-Association-Studies |