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Table 1 The dose-volume objectives and constraints used in VMAT-S, IMRT and HT plans

From: SmartArc-based volumetric modulated arc therapy for endometrial cancer: a dosimetric comparison with helical tomotherapy and intensity-modulated radiation therapy

Structures Objectives and constraints
PTV Minimal dose, 47.5 Gy; maximal dose, 55 Gy; ≥95% of PTV receiving 50 Gy
Bowel ≤35% of bowel receiving ≥35 Gy
Bladder ≤40% of bladder receiving ≥40 Gy
Rectum ≤60% of rectum receiving ≥40 Gy