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Dosimetric check
Film processing
Films are corrected for absolute dose by the result of the chamber
Films are registered to the plan dose thanks to 3 markers
Film analysis: Gamma index
Gamma criteria: 3%, 3mm
Dose threshold: 20% Dmax measured
18
0%
20%
40%
60%
80%
100%
120%
1
2
3
4
5
6
7
8
static small sphere
static large sphere
dynamic small sphere
Institution number
(%)