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Patient characteristics of the group of 26 patients used in this study.
| Characteristics | Mean value (range) |
| GTV (cm3) | 13.9 [0.7–50.4] |
| ITV (cm3) | 19.3 [1.4–64.1] |
| PTV (cm3) | 37.3 [5.5–107.6] |
| VITV/VGTV | 1.6 [1.0–2.7] |
| Peak-to-peak amplitude (cm) | 0.8 [0.0–3.0] |
| Lung volume (cm3) | 4942 [2720–8786] |
