ESTRO Multidisciplinary Management of Breast Cancer 2017

How much accuracy do we actually gain ??

Comparing no images at all to one image on first day: reduction of the systematic uncertainty

1SD systematic [mm] lat lng vrt _________________________________________________________________________________________________________________ no imaging 3.7 3.3 3.5 no tolerance 1st fraction 3.7 3.3 3.4

tolerance of 5 mm

with NAL 1.5 1.6 1.6

Courtesy of Mirjana Josipovic, Rigshospitalet