Table 2 Overview of the initial RT and re-RT details
Median interval to re-RT, months (range) | 26.8 (11.4–92.3) | |||
|---|---|---|---|---|
Initial radiation | Re-irradiation | |||
Median RT dose, Gy10 (range) | ||||
NSCLC | 60 | (51.8–87.5) | 60 | (54–87.5) |
SCLC | 43.1 | all patients | 50 | (50–87.5) |
Radiation technique, n (%) | ||||
Conventional fractionation | 10 | (48) | 13 | (62) |
Hyperfractionation | 8 | (38) | 0 | (0) |
Hypofractionation | 3 | (14) | 8 | (38) |
Radiation delivery, n (%) | ||||
Photon therapy | 20 | (95) | 19 | (90) |
Proton therapy | 1 | (5) | 2 | (10) |
Concurrent chemotherapy, n (%) | ||||
Yes | 16 | (76) | 1 | (5) |
No | 5 | (24) | 20 | (95) |
Median PTV, cc (range) | 57.4 | (7–601.7) | ||