Table 2.
Dose constrains for organs at risk
| Organs at Risk | Index | Plan C | Plan F |
|---|---|---|---|
| Contralateral Lung | Mean dose | <8 Gy | <8 Gy |
| V5a | <60% | <60% | |
| V10a | <20% | <20% | |
| V20a | <10% | <10% | |
| Functional lung | V5a | - | <40% |
| V10a | - | <10% | |
| V20a | - | <5% | |
| Liver | Mean dose | <30 Gy | <30 Gy |
| V30b | <30% | <30% | |
| Heart | Maximal dose | <60 Gy | <60 Gy |
| V45c | <30% | <30% | |
| Spinal cord | Maximal dose | <50 Gy | <50 Gy |
a
V5, V10, and V20 are the percentages of the contralateral lung and functional lung volume that receive ≥5, ≥10, and ≥20 Gy, respectively.
b
V30 is the percentage of the liver volume that receives ≥30 Gy.
c
V45 is the percentage of the heart volume that receives ≥45 Gy.