ESTRO Multidisciplinary Management of Breast Cancer 2017

Example ....

• Minimal free margin = 2 mm;

Pre-operative imaging

• CTV margin 1.3 cm

• Free margins > 1.5 cm in all directions, except in medial direction, free margin 2 mm.

Tumorbed

CTV

• CTV margin 1.3 cm medial

PTV