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Application of TKIs in 22 patients with defined lesions before and after radiotherapy.
| Continued TKIs | Resistant to 0 TKIs | Resistant to 1 TKI | Resistant to 2 TKIs | Resistant to ≥3TKIs |
|---|---|---|---|---|
| None | 4 | 1 | 1 | |
| rTKI | - | 4 | 4 | |
| nTKI | - | 2 | 2 | |
| sTKI | 4 | - | - | - |
| NA | ||||
| N | 8 | 6 | 7 | 1 |
Abbreviations: TKIs: tyrosine kinase Inhibitors; rTKI, previously resistant TKIs; nTKI, further lines of TKIs after resistance; sTKI, imatinib in cases in which no TKIs were previously used; NA, not available; N, number.
