Table 3 Radiotherapy dose and fractionation
Tumor Bed (standard arm) (prescription is based on CTV volume) | Intact metastases (both arms) (prescription is based on the CTV maximal diameter) |
|---|---|
Lesions < 4.2 cc receive 20 Gy | Lesions < 1.0 cm receive 22–24 Gy |
Lesions ≥4.2 to < 14.4 cc receive 17 Gy | Lesions ≥1.0 to < 2.0 cm receive 20–22 Gy |
Lesions ≥14.4 to < 30 cc receive 27 Gy in three or 30 Gy in 5 fractions | Lesions ≥2.0 to < 3.0 cm receive 18–20 Gy |
Lesions ≥30 cc receive 24–27 Gy in 3 fractions or 30 Gy in five fractions | Lesions ≥3.0 to < 5.0 cm receive 27 Gy in 3 or 30 Gy in five fractions |
Lesions ≥5.0 cm receive 24–27 Gy in three fractions or 30 Gy in five fractions |