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| Parameters | Mean | SD | Range |
|---|---|---|---|
| Breast PTV (cc) | 522 | 212 | 165–1149 |
| PTV95% (%) | 97.5 | 1.1 | 94.3–99.1 |
| PTV107%(%) | 3.3 | 4.8 | 0–18.2 |
| Ipsilateral Lung V20 (%) (breast only) | 19.0 | 2.9 | 13.0–27.1 |
| Ipsilateral Lung V20 (%) (breast and RLN) | 25.0 | 5.3 | 16.8–35.4 |
| Mean heart dose (cGy) (left breast) | 610 | 260 | 158–1147 |
| V30 of heart (%) (left breast) | 3.2 | 1.9 | 0–9.5 |
Abbreviation: SD standard error
