From: Long-term cancer survivors treated with multiple courses of repeat radiation therapy
Parameter | Data (n = 660 RT courses; n = 112 pts) |
---|---|
Number of RT courses, median (range) | 5 (5–10) |
Number of RT courses per patient | |
5, n = patients (% of total patients) | 60 (53.6) |
6, n = patients (% of total patients) | 25 (22.3) |
7, n = patients (% of total patients) | 14 (12.5) |
8, n = patients (% of total patients) | 8 (7.1) |
9, n = patients (% of total patients) | 3 (2.7) |
10, n = patients (% of total patients) | 2 (1.8) |
Treatment duration in days, median (range) | 14 (1–97) |
Interval (years) between first and last radiotherapy course, median (range) | 3 (0–8) |
Number of radiotherapy fractions, median (range) | 6 (1–35) |
Dose per fraction in Gray, median (range) | 4 (1.8–20) |
Total dose in Gray, median (range) | 30 (3–70) |
Treatment intent | |
Curative, n (%) | 147 (22.3) |
Palliative, n (%) | 513 (77.7) |
Treatment site | |
Bone, n (%) | 265 (40.1) |
Brain, n (%) | 214 (32.4) |
Lung, n (%) | 71 (10.1) |
Primary, n (%) | 36 (5.4) |
Lymph nodes, n (%) | 29 (4.4) |
Liver, n (%) | 16 (2.4) |
Soft tissue, n (%) | 13 (2.0) |
Adrenals, n (%) | 9 (1.4) |
Other, n (%)a | 7 (1.1) |