Serial organs | Threshold doses (five fractions) | Max point dose | Max critical volume above threshold |
---|---|---|---|
 Spinal cord | 23 Gy | 30 Gy | 0.35 cm3 |
 Duodenum | 18 Gy | 32 Gy | 5 cm3 |
 Bowel | 19.5 Gy | 35 Gy | 5 cm3 |
 Stomach | 18 Gy | 32 Gy | 10 cm3 |
 Esophagus | 19.5 Gy | 35 Gy | 5 cm3 |
 Colon | 25 Gy | 38 Gy | 20 cm3 |