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Dose volume histogram (DVH) constraints used clinically at our institution (units of Gy) and for this study (units of Sv), where the tissue should receive no greater than the dose specified to the volume of tissue specified.
| Normal Tissue | Dose (Gy or Sv) | Percent Volume (%) |
|---|---|---|
| Rectum | 40 | 60 |
| 45 | 50 | |
| 60 | 40 | |
| 70 | 15 | |
| 75.6 | 10 | |
| 78 | 5 | |
| Bladder | 70 | 15 |
| Rectal Wall | 60 | 70 |
| 79 | 30 | |
| Femoral Heads | 45 | 50 |
