SBRT2015

Dose prescription and margins • 2 lesions, treated to 25Gy covering 97% of the target ! 8mm ϕ lesion, 8mm collimator , 25Gy @ 80% : $ D max = 31.3 Gy / D mean = 27.5Gy ! 11mm ϕ lesion, 8mm collimator , 25Gy @ 50% : $ D max = 50.0 Gy / D mean = 35.0Gy

I. Paddick et al.

55

SBRT 2015 - D. Verellen