Table 1.
Medians and ranges of endpoint values in the IMRT, IMPT and IMPT_MTD plans. V5. volume (of lung) exposed to 5 Gy or more; d1, dose received by 1% (of the spinal cord).
| IMRT (range) | IMPT (range) | IMPT_MTD (range | ||
|---|---|---|---|---|
| Total Lung | V5 (%) | 58.6 (38.7-73.3) | 38.8 (27.4-48.2) | 39.5 (28.4-47.7) |
| V10 (%) | 45.3 (31.6-63.5) | 34.4 (24.5-44.7) | 35.5 (25.8-44.2) | |
| V20 (%) | 34.6 (23.7-52.9) | 27.6 (20.3-40.0) | 29.3 (22.4-39.3) | |
| V30 (%) | 28.6 (19.4-46.2) | 22.5 (14.2-35.9) | 24.3 (18.5-34.6) | |
| Mean (Gy) | 20.0 (14.1-29.2) | 15.0 (10.8-21.9) | 17.1 (13.9-20.4) | |
| Con. Lung | V5 (%) | 48.8 (33.0-80.7) | 21.8 (2.7-63.5) | 22.4 (2.9-63.5) |
| V10 (%) | 31.3 (10.6-68.7) | 18.3 (1.2-59.9) | 19.0 (1.3-59.9) | |
| V20 (%) | 20.1 (2.2-56.4) | 13.0 (0.2-53.3) | 14.3 (0.3-53.3) | |
| V30 (%) | 14.7 (0.6-50.5) | 9.8 (0.0-42.8) | 10.7 (0.0-42.8) | |
| Mean (Gy) | 12.6 (4.6-33.2) | 7.2 (0.5-27.4) | 7.9 (0.5-27.4) | |
| Ips. Lung | V5 (%) | 68.0 (39.3-91.9) | 54.4 (24.3-82.2) | 55.5 (25.4-82.9) |
| V10 (%) | 58.5 (34.0-84.0) | 49.4 (18.9-76.4) | 50.9 (20.1-77.8) | |
| V20 (%) | 48.3 (20.3-75.4) | 40.9 (12.6-65.3) | 43.2 (13.9-64.4) | |
| V30 (%) | 41.6 (15.5-69.3) | 34.1 (8.4-59.7) | 36.9 (10.0-60.1) | |
| Mean (Gy) | 26.9 (13.2-41.9) | 22.3 (6.6-37.2) | 25.7 (7.7-40.1) | |
| Spinal Cor | dDmax (Gy) | 45.5 (36.8-50.4) | 36.0 (18.9-53.0) | 40.9 (19.0-54.2) |
| D1 (Gy) | 43.5 (35.7-48.1) | 30.5 (16.0-47.2) | 34.5 (15.9-44.1) | |
| Heart | V40 (%) | 21.8 (0.0-70.4) | 7.6 (0.0-26.0) | 8.0 (0.0-27.0) |
| Esophagus | V40 (%) | 46.3 (24.8-67.4) | 38.1 (9.6-51.3) | 42.9 (16.4-56.2) |
| V55(%) | 32.2 (9.7-53.5) | 25.4 (2.0-41.7) | 32.9 (8.7-45.5) |