Basic Clinical Radiobiology 2017

CLE: Consequences Effect of overall treatment time

0 10 20 30 40 50 60 70 80 90 100

EORTC 22851 - Mucositis Gr. 3+4

CF: 70 Gy / 35 F / 7 wk AF: 72 Gy / 45 F / 5 wk

Fraction of patients [%]

radiotherapy 6 weeks after

during

data from: Horiot et al., RTO 44, 1997, 111-121

ESTRO BCR Course / Pathogenesis of NT effects – W. Dörr