Fast‐Forward trial and patient characteristics
To briefly mention the implementation of APBI Fast‐Forward trial,Fast‐Forward trial dose constraints.
After obtaining the institutional review board approval, ten consecutive APBI patients (four right, six left) who underwent breast treatment following the Fast‐Forward trial using highly conformal and homogeneous plans via 6MV unilateral coplanar partial VMAT arcs on an SBRT‐dedicated TrueBeam Linac for 26 Gy in five fractions daily, were included in this retrospective validation study.