1056 / 1778
ICRU 89 Report
D
90%
Can be
if 10% receives
D
2%
90
98
D
98%
More robust
Near-minimum D
50
D
50%
High-dose
Volume
Radiobiological
uncertainties!
ICRU/GEC ESTRO Report 89. 2016
*Level 2 if CTVIR is used for prescription
GTV
res
CTV
IR
CTV
HR
D
90%
D
98%
Level 2
Level 2
Level 2
Level 3
D
50%
Level 2
-
-
DVH for PTV:
Level 3
Level 3* Level 3*
Doses to Target Volumes – Primary Tumor