Table 2 Suggested dose constraints of organs at risk
Organs at risk | 43.5 Gy in 15 fractions | 50 Gy in 25 fractions |
|---|---|---|
Heart (left-sided breast cancer) | Dmean < 8 Gy | Dmean < 10 Gy |
|  | V5 < 45% | V5 < 50% |
Heart (right-sided breast cancer) | Dmean < 5 Gy | Dmean < 6 Gy |
|  | V5 < 30% | V5 < 35% |
Left anterior descending coronary artery | V40 < 2 0% | V40 < 20% |
Right coronary artery | V40 < 20% | V40 < 20% |
Ipsilateral lung | Dmean < 15 Gy | Dmean < 15 Gy |
|  | V20 < 30% | V20 < 30% |
|  | V5 < 55% | V5 < 55% |
Contralateral lung | V5 < 20% | V5 < 20% |
Contralateral breast | Dmean < 5 Gy | Dmean < 5 Gy |
Spinal Cord PRV | Dmax < 30 Gy | Dmax < 40 Gy |
Esophagus/Ipsilateral Brachial plexus | Dmax < 48 Gy | Dmax < 55 Gy |
Ipsilateral shoulder joint | V30 < 30% | V30 < 30% |
Thyroid gland | Dmean < 28 Gy | Dmean < 3 0 Gy |
Liver (right-sided breast cancer) | V5 < 25% | V5 < 25% |
Stomach (left-sided breast cancer) | V 5 < 25% | V5 < 25% |
Liver (left-sided breast cancer) | V5 < 10% | V5 < 10% |
Stomach (right-sided breast cancer) | V5 < 10% | V5 < 10% |