937 / 1601
Some caveats of breath hold
2nd patient treated in DIBH
•peripheral target +
mediastinal lymph nodes
•10th fraction: match on
mediastinum, 1.6 cm shift CC
direction for peripheral tumour
CT CBCT
Josipovic et al Acta Oncol 2014
Don’t (blindly) trust external surrogates:
markers, spirometry, surface based etc…
Daily breath hold CBCT is mandatory
Intra fraction monitoring highly desirable