Research Article
Efficacy of Stereotactic Body Radiotherapy for Recurrent or Residual Hepatocellular Carcinoma after Transcatheter Arterial Chemoembolization
Table 2
Dose constraints for critical structures (treatment in 3–5 fractions).
| Critical structures | Dose constraints |
| Spinal cord | 18 < 1 mL | Gy | Lungs (right + left) | 5 < 40% | 10 < 20% | Heart | 20 < 15 cm3 | Gy | Oesophagus | 25 < 1 mL | Remaining healthy liver | 15 < 30% | > 700 cm3 | Stomach | 25 < 1 mL | Intestines | 27 < 1 mL | Kidneys | 15 < 30% |
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