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Table 1 Dose constrains and relative priority for target volumes and organs at risk

From: Dosimetric analysis of tangent-based volumetric modulated arc therapy with deep inspiration breath-hold technique for left breast cancer patients

Structures

Dose constrains

Priority

PTV

Dmin > 47.5 Gy

600

Dmax < 55 Gy

800

Heart

V30Gy (%) < 1%

200

V10Gy (%) < 20%

200

V5Gy (%) < 40%

200

Left lung

V20Gy (%) < 10%

500

V10Gy (%) < 30%

500

V5Gy (%) < 40%

500

Right lung

Dmean < 5 Gy

200

D2% (Gy) < 10 Gy

200

Right breast

Dmean < 5 Gy

400

D2% (Gy) < 10 Gy

400

  1. Legend: Dose objectives and relative priority were used for planning optimization
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Radiation Oncology

ISSN: 1748-717X

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