Physics Bucharest 2017

Consider systematic errors only  M PTV,sys

= 2.5Σ

% of cases with CTV partially outside PTV

20% 2.16Σ 10% 2.50Σ 5% 2.79Σ 1% 3.36Σ 0%  TBI

Van Herk, 2000 formula B9

M PTV,sys

x

M PTV,sys

/ ∑

PTV

CTV

M PTV,sys

= 2.5Σ

y

planning isoc