ESTRO Multidisciplinary Management of Breast Cancer 2017

Take home message for APBI/Boost: Image-guidance for partial breast irradiation

Clips can be representative for • the location of the tumor bed • the location of the whole breast

Penninkhof Radiother Oncol 2009

Registering on clips is time-efficient and can allow for margin reduction of the tumour bed PTV

kV-CBCT, MV-CBCT, 2D kV are equivalent in terms of accuracy if registering on clips ➢ 2D MV as well, if clips are visible