Imaging for early stage breast cancer

Multicatheter interstitial brachytherapy (MIBT) vs. intensity modulated radiotherapy (IMRT)

34 APBI patients treated with MIBT (7 x 4.3 Gy)

competing IMRT plans using the same CT images, OAR delineations, dose prescriptions but different PTVs

OAR-s: breast and lung of both sides, skin, heart (left sided), ribs

coplanar sliding window technique for IMRT

plan comparisons with dose-volume parameters