669 / 1816
Example: CBCT for sequential and integrated
boost
Import HIGH
IMRT (tangential and “real”)
sequential vs integrated boost
1 cm whole breast PTV, 5mm boost PTV
38 patients with boost CBCT (offline or daily)
Systematic and random errors of
approx 3mm (before correction)
1.5 mm after correction
03/01/13
Donovan BJR 2012