| EGFR | Epidermal Growth Factor Receptor |
| IGF-1R | Insulin-like Growth Factor 1 Receptor |
| HER2 | Human Epidermal Growth Factor Receptor 2 |
| VEGFR | Vascular Endothelial Growth Factor Receptor |
| ESCC | Esophageal squamous cell carcinoma |
| EAC | Esophageal Adenocarcinoma |
| RTK | Receptor Tyrosine Kinase |
| TKI | Tyrosine Kinase Inhibitor |
| lapa | Lapatinib |
| gefi | Gefitinib |
| lins | Linsitinib |
| IC50 | Half maximal inhibitory concentration |
| ERK | Extracellular signal regulated kinase |
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