|
| Parameter | Mod-2D Plan Mean (Std. Deviation) | 3D Plan Mean (Std. Deviation) | P Value |
| Breast PTV*** | V95% | 84% (10%) | 95% (3%) | 0.29 |
| V107% | 7.3% (4%) | 2.8% (2.5%) | 0.11 | |
| V112% | 0.9% (0.9%) | 0% | 0.54 | |
| D-max | 115% (3%) | 111% (1.7%) | 0.06 | |
| Heart in Left Side Breast (10 Patients) | Mean | 782 cGy (100 cGy) | 491 cGy (110 cGy) | 0.025 |
| V10 | 25% (7%) | 10% (7%) | 0.07 | |
| V20 | 8% (5%) | 7% (5%) | 0.2 | |
| Ipsilateral Lung | V20 | 32% (4%) | 26% (6%) | 0.07 |
| Contra-Lat Breast | D-max | 637 cGy (296) | 462 cGy (144 cGy) | 0.54 |
| Spinal cord | D-max | 979 cGy | 1218 cGy | 0.49 |