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Dose–volume constraints for target and organs at risk (OARs)
| Target or OAR | Goal or constraint dose (%) |
|---|---|
| Planning target volume (PTV) | 45 or 47.5 Gy |
| Heart | V20 < 10 % |
| V30 < 3 % | |
| LAD | Dmax < 15 Gy |
| Dmean < 5 Gy | |
| Ipsilateral lung | V20 < 20 % |
| V50 = 0 | |
| Contralateral lung | V5 < 20 % |
| V10 = 0 | |
| Contralateral breast | Dmean < 4 Gy |
| Dmax < 10 Gy |
