671 / 1708
COG relative
Dose reduct.
COG
absolute Dose
reduct.
V5 Volume
CCSS
V5 Volume
COG
Mean dose reduction
at OAR Influence
Volume vs dose
breast
83.5%
15.5Gy
61%
17%
40% smaller volumes
heart
68.6%
22.9 Gy
99%
61%
24% smaller volumes
lung
61.0%
15.0 Gy
12% smaller volumes
thyroid 49.0%
20.7 Gy
Dose reduction
Early stages of Hodgkin´s Disease
The influence of a lower prescription dose versus a smaller
treatment varies and depend on the tissue and disease stage
•
Breast profits most from smaller
irradiated volume