Table 2.
Dose constraints for stereotactic body radiation therapy planning.
| Organ at risk | Constraint for 3 fractions | Constraint for 5 fractions |
|---|---|---|
| Uninvolved liver (non-cirrhotic)137 | ||
| Mean dose | <12-15 Gy | <15-18 Gy |
| Dose to ≥700 cm3 | <19 Gy | <21 Gy |
| Uninvolved liver (Child-Pugh class A)40,85,138 | ||
| Mean dose | <10-12 Gy | <13-15 Gy |
| Dose to ≥700 cm3 | — | <15 Gy |
| Uninvolved liver (Child-Pugh class B)40,85,138 | ||
| Mean dose | None | <8-10 Gy |
| Dose to ≥500 cm3 | <10 Gy | |
| Stomach137 | ||
| D 0.03 cm3 | <22 Gy | <32 Gy |
| D 10 cm3 | <16.5 Gy | <18 Gy |
| Duodenum137,139 | ||
| D 0.03 cm3 | <22 Gy | <32 Gy |
| D 5 cm3 | <16.5 Gy | <18 Gy |
| Small bowel137,139 | ||
| D 0.03 cm3 | <22 Gy | <32 Gy |
| D 5 cm3 | <18 Gy | <19.5 Gy |
| Large bowel137,139 | ||
| D 0.03 cm3 | <28 Gy | <34 Gy |
| D 20 cm3 | <24 Gy | <25 Gy |
| Common bile duct88 | ||
| D 0.5 cm3 | 40 Gy | 40 Gy |