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Table 1 Dose targets and constraints for treatment planning

From: Dosimetric and radiobiological comparison of simultaneous integrated boost radiotherapy for early stage right side breast cancer between three techniques: IMRT, hybrid IMRT and hybrid VMAT

Structure

Metrics

Objective

SIB

V49.5Gy (%)

ā‰„ā€‰95%

V55Gy (%)

<ā€‰20%

Dmax (Gy)

<ā€‰60Ā Gy

PTV-SIB

V43.5Gy (%)

ā‰„ā€‰95%

V48Gy (%)

<ā€‰20%

Dmax (Gy)

<ā€‰52Ā Gy

I-Lung

V5Gy (%)

<ā€‰60%

V10Gy (%)

<ā€‰40%

V20Gy (%)

<ā€‰20%

V30Gy (%)

<ā€‰15%

Dmean (Gy)

<ā€‰15Ā Gy

C-lung

V5Gy (%)

<ā€‰20%

Heart

Dmean (Gy)

<ā€‰4Ā Gy

C-Breast

Dmax (Gy)

<ā€‰40Ā Gy

Dmean (Gy)

<ā€‰3Ā Gy

Spinal cord

Dmax (Gy)

<ā€‰45Ā Gy