| Parameter | Limit-2D Plan Mean (Std. Deviation) | 3D Plan Mean (Std. Deviation) | P Value |
Breast PTV*** | V95% | 69% (20%) | 95% (3%) | 0.036 |
V107% | 8.2% (6%) | 2.8% (2.5%) | 0.12 | |
V112% | 0.5 % (0.5%) | 0% | 0.55 | |
D-max | 124 % (7%) | 111% (1.7%) | 0.08 | |
Supraclavicular PTV | V90% | 65% (18%) | 90% (4%) | 0.01 |
V107% | 10% (7%) | 4 (2%) | 0.15 | |
V112% | 3% (2%) | 1% (1%) | 0.12 | |
D-max | 123% (8%) | 113% (4%) | 0.11 | |
Junctional Hot Spot |
| 120% (9%) | 107% (4%) | 0.04 |
Heart in Left Side Breast (10 Patients) | Mean | 333cGy (190 cGy) | 491cGy (110 cGy) | 0.14 |
V10 | 5% (4%) | 10% (7%) | 0.13 | |
V20 | 3% (3%) | 7% (5%) | 0.14 | |
Ipsilateral Lung | V20 | 19% (8%) | 26% (6%) | 0.15 |
Contra-Lat Breast | D-max | 205 cGy (137 cGy) | 462 cGy (144 cGy) | 0.25 |
Spinal Cord | D-max | 2457 cGy | 2318 cGy | 0.52 |