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| Variable | Total number (13 treated tumors) |
|---|---|
| GKSRS parameters | |
| Median radiation volume (range), cm 3 | 23.7 (14–73) |
| Margin dose, Gy | |
| Median (range) | 15 (12–20) |
| Maximum dose, Gy | |
| Median (range) | 28 (17–32) |
| Tumor response | |
| Regression | 6 |
| Stable | 7 |
| Progression | 0 |
| Radiation-induced changes | |
| AREs | 0 |
| Radiation necrosis | 0 |
Abbreviations: AREs, adverse radiation events; GKSRS, gamma knife stereotactic radiosurgery.
