How do you define your partial breast volumes when doing partial breast irradiation?

Do you use NRG/RTOG, IMPORT LOW, single institution data, or retrospective data?

Answer from: Radiation Oncologist at Academic Institution

I think this depends on technique (3D-CRT), motion management, and image guidance.For standard 3DCRT APBI, you can use B39 volumes or IMPORT LOW. I rarely do this as these volumes are quite large.However, if you are going to use motion management (4DCT, DIBH) you can create an ITV or limit your expa...

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How do you define your partial breast volumes when doing partial breast irradiation?

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