Table 2 Treatment Characteristics
Characteristic | All | Inoperable | Operable |
|---|---|---|---|
No. of patients | 55 | 21 | 34 |
No. of portals, 2/3/4 | 3/41/11 | 0/18/3 | 3/23/8 |
Position matching method | |||
 Fiducial marker | 39 (71%) | 14 (67%) | 25 (74%) |
 Vertebral bone | 16 (29%) | 7 (33%) | 9 (26%) |
IGTV definition | |||
 IGTV-all | 48 (87%) | 18 (86%) | 30 (88%) |
 IGTV-gate | 7 (13%) | 3 (14%) | 4 (13%) |
 GTV (cc), median (range) | 11 (1.1–53) | 12 (1.7–38) | 10 (1.1–53) |
 IGTV (cc), median (range) | 17 (1.8–80) | 22 (2.8–53) | 15 (1.8–80) |
DVH parameters | |||
 IGTV V95% (%), median (range) | 100 (97–100) | 100 (99–100) | 100 (97–100) |
 IGTV D95% (%), median (range) | 100 (97–100) | 99 (98–100) | 100 (97–100) |
 Lung-GTV V5 (%), median (range) | 14 (4.3–28) | 14 (4.3–28) | 13 (5.2–25) |
 Lung-GTV V20 (%), median (range) | 9.3 (3.0–21) | 9.6 (3.0–21) | 8.7 (3.7–18) |