Table 1 Dose prescription for brain metastases
PTV of brain metastases (cm3) | Dose 1 fraction (Gy) | Dose when metastasis in brainstem (Gy) | Dose 5 fractions (Gy) | Dose when metastasis in brainstem (Gy) |
|---|---|---|---|---|
 < 1 | 24 | 16 | 35 | 30 |
1–10 | 21 | 16 | 35 | 30 |
10–20 | 18 | 16 | 35 | 30 |
20–65 | 15 or 3 × 8 | No SRS | 35 | No SRS |