Table 2.
Summary of the quantitative analysis of the dosimetric findings from the treatment plans
| Variable | Planning objectives | CTV (26±20 cm3) | PTV (63±34 cm3) | Spinal cord | Liver ipsilateral | Kidneys ipsilateral | Duodenum | Stomach | Bowel |
|---|---|---|---|---|---|---|---|---|---|
| Mean (Gy) | 40.0 | 40.1±0.1 | 40.0±0.0 | - | - | - | - | - | - |
| D1% (Gy) | < 31 Gy | 40.8±0.3 | 41.2±0.3 | 8.3±2.9 | - | - | 16.5±6.5 | 3.8±2.8 | 12.3±6.2 |
| V98% (Gy) | > 98% (for CTV) | 99.9±1.3 | 90.4±3.4 | - | - | - | - | - | - |
| V95% (%) | > 95% (for PTV) | 100.0±0.0 | 97.8±1.6 | - | - | - | - | - | - |
| V15 Gy (%) | < 35% | - | - | - | - | 12.9±9.0 | - | - | - |
| Vtot–V15 Gy (cm3) | > 700 cm3 | - | - | - | 1,374±133 | - | - | - | - |
| V36 Gy (cm3) | < 1 cm3 | - | - | - | - | - | 0.0±0.0 | 0.0±0.0 | 0.0±0.0 |
Data are reported as mean±1 standard deviation to determine interpatient variability. CTV, clinical target volume; PTV, planning target volume.