Table 4.
Planned score table of the three treatment techniques for three situations.
| Structure | Metric |
TD Mean (SD) |
HT Mean (SD) |
VMAT Mean (SD) |
|---|---|---|---|---|
| CW only | ||||
| PTV CW | V95% | 0 | 1 | 0 |
| HI | 0 | 1 | 0 | |
| CI | 0 | 1 | 0 | |
| Ipsilateral lung | V20Gy | 0 | 1 | 1 |
| Contralateral lung | V5Gy | 0 | 0 | 0 |
| Contralateral breast | V5Gy | 1 | 0 | 0 |
| D2% | 0 | 0 | 0 | |
| Heart | V20Gy | 0 | 0 | 0 |
| V10Gy | 1 | 0 | 1 | |
| Dmean | 1 | 0 | 1 | |
| LAD | Dmax | 0 | 0 | 0 |
| Spinal cord | Dmax | 1 | 0 | 1 |
| Esophagus | Dmax | 1 | 0 | 0 |
| Total score | 5 | 4 | 4 | |
| CW + SPC | ||||
| PTV CW | V95% | 0 | 1 | 0 |
| HI | 0 | 1 | 0 | |
| CI | 0 | 1 | 0 | |
| PTV RNI | V95% | 0 | 1 | 0 |
| HI | 0 | 1 | 0 | |
| Ipsilateral lung | V20Gy | 0 | 1 | 0 |
| V30Gy | 0 | 1 | 1 | |
| Contralateral lung | V5Gy | 1 | 0 | 0 |
| Contralateral breast | V5Gy | 1 | 0 | 1 |
| D2% | 0 | 0 | 1 | |
| Heart | V20Gy | 0 | 1 | 1 |
| V10Gy | 1 | 0 | 0 | |
| Dmean | 0 | 0 | 1 | |
| LAD | Dmax | 1 | 0 | 1 |
| Spinal cord | Dmax | 1 | 0 | 0 |
| Esophagus | Dmax | 0 | 0 | 1 |
| Total score | 5 | 8 | 7 | |
| CW + SPC + AXLN | ||||
| PTV CW | V95% | 0 | 1 | 0 |
| HI | 0 | 1 | 0 | |
| CI | 0 | 1 | 0 | |
| PTV RNI | V95% | 0 | 1 | 0 |
| HI | 0 | 1 | 0 | |
| Ipsilateral lung | V20Gy | 0 | 1 | 0 |
| V30Gy | 0 | 1 | 1 | |
| Contralateral lung | V5Gy | 0 | 0 | 0 |
| Contralateral breast | V5Gy | 1 | 0 | 1 |
| D2% | 0 | 0 | 1 | |
| Heart | V20Gy | 0 | 1 | 1 |
| V10Gy | 1 | 0 | 1 | |
| Dmean | 0 | 0 | 1 | |
| LAD | Dmax | 1 | 0 | 1 |
| Spinal cord | Dmax | 1 | 0 | 1 |
| Esophagus | Dmax | 0 | 0 | 1 |
| Total score | 4 | 8 | 9 | |
Abbreviations: AXLN, axillary nodes; CI, conformity index; CW, chest wall; HI, homogeneity index; HT, TomoHelical; LAD, left anterior descending artery; PTV, planning target volume; RNI, regional nodes; SPC, supraclavicular lymph nodes; TD, TomoDirect; VMAT, volumetric modulated arc therapy.