What dose objectives and constraints do you use for hypofractionateed whole breast irradiation?
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1 Answers
Mednet Member
Radiation Oncology · Varian Medical Systems/Allegheny health network
The most important goal is dose homogeneity. We aim for V110 (volume of breast getting 110% of prescribed dose) to be zero and V105 to be less than 10% with no V105 in the inframammary or areolar regions. For the heart, we aim for a mean dose 1-2 Gy with no beam going through heart so that the only ...