APBI 2016

Risk factors: after lumpect. + WBRT +/- boost

Invasive ca & margins

DCIS & margins

N = 478 N = 216 N = 111

N = 1137 N = 306 N = 51

Multiple studies: extensive DCIS is only a RF when not completely excised

EORTC 22881/10882 trial; various articles