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Objectives and constraints of the robust method for the chordoma case. The brainstem and cord are unioned for the objective.
| Chordoma (Rx = 78 Gy) | |||
|---|---|---|---|
| Structures | Type | Scenarios | Bound (in Gy) / Direction |
| Objectives | |||
| CTV | underdose ramp (dpres = Rx) | all | minimize |
| brainstem, spinal cord | max | all | minimize |
| Constraints | |||
| CTV | min | nominal | ≥ 60 |
| CTV | max | nominal | ≤ 85:8 |
| R/L cochlea | max | 9 | ≤ 50 |
| R/L parotid | mean | 9 | ≤ 26 |
