103 / 1542
cran
caud
left
right
1
6
2 8
7
4
3
9
5
11
10
patient 1
mean
set-up errors
-
systematic
error can only be known after
completion of fractionated treatment
Systematic and random errors
patient set-up errors 2D:
each fraction:
- patient’s
systematic
error
mean error
-
systematic
error cannot be upfront
corrected, i.e. prior to start with
fractionated treatment