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-
first 3 fractions
:
- set up patient on
original
tattoos
- image, no corrections
-
off-line
: analyze images of first 3 fractions (Erasmus MC:
by RTTs), and calculate mean set-up error:
-
after fraction 3
:
- patient set-up on
original
tattoos
- correct with
(no imaging)
No Action Level (NAL) off-line protocol