Table 1.
Critical central thoracic structure point dose limits
| Critical Structure | Maximum Point Dose Limit (Gy) (total for 3 fractions) |
| Spinal cord | 18 |
| Left ventricle | 18 |
| Esophagus | 24 |
| Main bronchus | 30 |
| Trachea | 30 |
| Aorta | 30 |
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