| Dose parameters | Optimal | Acceptable | ||
---|---|---|---|---|---|
HFRT | CFRT | HFRT | CFRT | ||
Target volumes | |||||
PTVcw* | Target volume coverage (V100%) |  ≥ 95% |  ≥ 95% |  ≥ 90% |  ≥ 90% |
Hot spot dose | Dmax < 52 Gy | Dmax < 60 Gy | V120% < 1 cc | V120% < 1 cc | |
Dose uniformity (V110%) |  < 25% |  < 25% |  < 30% |  < 30% | |
PTVsc/PTVax* | Target volume coverage (V100%) |  ≥ 95% |  ≥ 95% |  ≥ 90% |  ≥ 90% |
Hot spot dose | Dmax < 52 Gy | Dmax < 60 Gy | V120% < 1 cc | V120% < 1 cc | |
Dose uniformity (V110%) |  < 25% |  < 25% |  < 30% |  < 30% | |
PTVim for IMNI group | Target volume coverage (V100%)* |  ≥ 95% |  ≥ 95% |  ≥ 90% |  ≥ 90% |
Target volume coverage (V90%)†| V40 ≥ 90% | V45 ≥ 90% | V40 ≥ 85% | V45 ≥ 85% | |
Hot spot dose* | Dmax < 52 Gy | Dmax < 60 Gy | V120% < 1 cc | V120% < 1 cc | |
Dose uniformity (V110%)* |  < 25% |  < 25% |  < 30% |  < 30% | |
Organs at risk | |||||
Heart (left-sided tumor) | Dmean |  < 8 Gy |  < 10 Gy |  < 10 Gy |  < 12 Gy |
V5 |  < 45% |  < 50% |  < 50% |  < 55% | |
Heart (right-sided tumor) | Dmean |  < 5 Gy |  < 6 Gy |  < 6 Gy |  < 8 Gy |
V5 |  < 30% |  < 35% |  < 35% |  < 40% | |
Left anterior descending coronary artery | V40 |  < 20% |  < 20% |  < 25% |  < 25% |
Right coronary artery | V40 |  < 20% |  < 20% |  < 25% |  < 25% |
Ipsilateral lung | Dmean |  < 15 Gy |  < 15 Gy |  < 16 Gy |  < 16 Gy |
V20 |  < 30% |  < 30% |  < 32% |  < 35% | |
V5 |  < 55% |  < 55% |  < 60% |  < 60% | |
Contralateral lung | V5 |  < 20% |  < 20% |  < 25% |  < 25% |
Contralateral breast | Dmean |  < 5 Gy |  < 5 Gy |  < 8 Gy |  < 8 Gy |
Spinal cord PRV | Dmax |  < 30 Gy |  < 40 Gy |  < 32 Gy |  < 45 Gy |
Esophagus | Dmax |  < 48 Gy |  < 55 Gy |  < 50 Gy |  < 58 Gy |
Brachial plexus | Dmax |  < 48 Gy |  < 55 Gy |  < 50 Gy |  < 58 Gy |
Ipsilateral shoulder joint | V30 |  < 30% |  < 30% |  < 35% |  < 35% |
Thyroid gland | Dmean |  < 28 Gy |  < 30 Gy |  < 32 Gy |  < 35 Gy |
Liver (left-sided tumor) | V5 |  < 10% |  < 10% |  < 15% |  < 15% |
Liver (right-sided tumor) | V5 |  < 25% |  < 25% |  < 30% |  < 30% |
Stomach (left-sided tumor) | V5 |  < 25% |  < 25% |  < 30% |  < 30% |
Stomach (right-sided tumor) | V5 |  < 10% |  < 10% |  < 15% |  < 15% |