Aim of all strategies: reduce set-up errors and thereby the
required planning margin
M
=
2.5
+
0.7
CTV
PTV
M
set-up
=
2.5
set-up
+
0.7
set-up
CTV
PTV
set-up
- different strategies have different
impact on
and
Stroom et al.
van Herk et al.
- Reduction of
has the largest
impact on the margin
M