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Scoring of side-effects: frequency
•
Progressive nature of late reactions
43
Breast Ca, post-op RT
Turesson 1990
Long latent times
Large inter-patient variation
Scoring of side-effects: frequency
•
Long latent time of late reactions
44
174 treatment fields: even 9
years after treatment, about
2% of patients show the
mildest grade of
telangiectasia for the first
time
Bentzen 1990