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Treatment characteristics of reirradiation
| Median (minimum–maximum) | |
|---|---|
| Total dose (Gy) | 25 (25–25) |
| Maximum dose at plan (Gy) | 31.25 (31.13–35.71) |
| Number of beams | 101 (56–164) |
| Conformity Index | 1.28 (1.14–2.1) |
| GTV-PTV margin (mm) | 2 (1–3) |
| PTV (cc) | 11.4 (1.1–60.7) |
PTV, planning target volume; GTV, gross tumor volume; cc, cubic centimeter
