Table 2.
Treatment characteristics.
| Dose Prescription | |
|---|---|
| 15 Gy × 3 (65% isodose, BED10: 112.5 Gy) | n = 2 (15.4%) |
| 12.5 Gy × 3 (65% isodose, BED10: 84.4 Gy) | n = 7 (53.8%) |
| 8 Gy × 5 (80% isodose, BED10: 72 Gy) | n = 2 (15.4%) |
| 7 Gy × 5 (80% isodose, BED10: 59.5) | n = 2 (15.4%) |
| PTV Prescription BED10 (Gy), median (range) | 84.4 (59.5–112.5) |
| PTV volume (cm3), median (range) | 39.1 (8.3–411.3) |
| GTV volume (cm3), median (range) | 16.5 (1.2–317.8) |
| GTV Mean BED10 (Gy), median (range) | 147.9 (71.7–200.5) |
| Liver volume (cm3), median (range) | 1242.5 (879.6–2625.3) |
| Liver Mean dose (Gy), median (range) | 5.6 (2.8–15.5) |
| Number of beams per fraction, median (range) | 11 (7–16) |
| Number of beam segments per fraction, median (range) | 33 (9–60) |
| Monitor units per fraction, median (range) | 3367 (1503–6776) |
| Calculated delivery time (min), median (range) | 13 (6–23) |
| Net beam-on time (min), median (range) | 10 (4–20) |
| Overall treatment duration (min), median (range) | 53 (46–78) |
| Online adaptive planning (number of fractions) | 46/47 fractions (97.8%) |