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Survival after SBRT in relationship to dose
Dose group
BED
3a CSS
3a OS
Low
<83.2Gy
65.9
49.4
Medium
83.2 – 106Gy
74.5
61.1
Medium – high
106-146Gy
80.1
62.7
High
>146Gy
81.7
46.8
• Decreased CSS after low-dose SBRT
• Decreased OS after low-dose
and high-dose SBRT
Occult toxicity?
Zhang IJROBP 2011
13.06.2016
Matthias Guckenberger - ESTRO SBRT Course 2016 Athens
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