2730-2731 / 2953
How large does the margin have to be?
σ
σ
Σ
+Σ =
7.0 5.2
R
systematic setup errors
systematic errors are more
deleterious than random errors!
A typical ‘margin recipe’…:
ESTRO IMRT course 2016
Adaptive Radiotherapy
London April 7th, 2016
-10-
M. van Herk et al. 2000: The probability of correct target dosage: dose-population
histograms for deriving treatment margins in radiotherapy. IJROBP 47(4)
random setup errors