Table 1 Dose constrains for organs at risk of single fraction radiosurgery
From: Radiosurgery and fractionated stereotactic body radiotherapy for patients with lung oligometastases
Organs at risk | Max critical volume above threshold (cm3) | Threshold dose (Gy) | Max point dose (Gy)a |
|---|---|---|---|
Spinal cord | <0.35 | 10.0 | 14.0 |
Esophagus | <5 | 11.9 | 15.4 |
Hearts/pericardium | <15 | 16.0 | 22.0 |
Great vessels | <10 | 31.0 | 37.0 |
Trachea and large bronchus | <4 | 10.5 | 20.2 |
Rib | <1 | 22.0 | 30.0 |
Ipsilateral Lung (mean) | - | 9.0 | - |