Table 6. Mean ± SD values of conventional 2D and dose-volume parameters by type of treatment site .
| Variable | Left | Right |
| 2D parameters | ||
| CLD (cm) | 3.2 ± 0.7 | 2.9 ± 0.5 |
| MLD (cm) | 3.2 ± 0.6 | 3.1 ± 0.5 |
| CWS (cm) | 22.5 ± 2.6 | 22.2 ± 3.5 |
| Dose-volume parameters for ipsilateral lung | ||
| V5Gy (%) | 40.4 ± 9.4 | 39.2 ± 7.7 |
| V10Gy (%) | 29.5 ± 7.7 | 27.5 ± 5.9 |
| V20Gy (%) | 23.3 ± 6.7 | 21.6 ± 5.0 |
| Dmean (Gy) | 23.9 ± 6.3 | 23.6 ± 5.9 |
| Maximum dose of breast (%) | 108.9 ± 2.9 | 108.2 ± 2.6 |
2D: Two-dimensional; CLD: Central lung depth; MLD: Maximum lung depth; CWS: Chest wall separation; Vx: Volume of lung or heart receiving xGy; Dmean: Mean dose