Table 2.
The main dosimetric and volumetric data observed in our patients' group.
| Parameter | Median | Min | Max |
|---|---|---|---|
| CTV volume (cc) | 79 | 15 | 240 |
| PTV volume (cc) | 96 | 17 | 290 |
| PTV minimum dose (cGy) | 1804 | 829 | 1988 |
| PTV mean dose (cGy) | 2112 | 1797 | 2181 |
| PTV maximum dose (cGy) | 2185 | 1870 | 2247 |
| Whole breast volume (cc) | 892 | 230 | 2608 |
| Whole breast mean dose (cGy) | 971 | 436 | 1411 |
| INBV (cc) | 743 | 205 | 2441 |
| INBV mean dose (cGy) | 740 | 100 | 1153 |
| Skin volume (cc) | 165 | 64 | 385 |
| Skin mean dose (cGy) | 544 | 246 | 845 |
| V2.1 Gy (%) | 84 | 41 | 99 |
| V18.0 Gy (%) | 20 | 5 | 41 |
| V21.0 Gy (%) | 9 | 0 | 28 |
| V21.0 Gy (cc) | 67 | 0 | 263 |
| PTV/WB | 12% | 3% | 26% |
Abbreviations: WB = Whole breast; INBV = WB volume -PTV; PTV/WB = ratio between PTV and WB volume; VXGy(%) or VXGy(cc), that represent the percent of the breast volumes or the volume (cc) receiving more than × Gy, respectively.