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Constraints.
| OAR | Constraint |
|---|---|
| PTV | D95% = 98–100% |
| Larynx | Mean dose < 15 Gy |
| Mandible | Max dose < 20 Gy |
| Spinal cord/brainstem | Cumulative max dose < 54 Gy equivalent in 2 Gy/fx Or Max dose < 8 Gy (if records not available) |
| Cochlea | Mean dose < 15 Gy |
| Retina | Mean dose < 15 Gy |
| Lens | Max dose < 5 Gy |
| Carotid aa | Max dose < 32.5 Gy |
| Optic nerve/chiasm | Max dose < 25 Gy |
| Temporal tips | Mean dose < 5 Gy |
| Skin | D (10 cc) < 39.5 Gy |
| Thyroid lamina | Max dose < 30 Gy |
