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Lung doses
•
2 plans compared
•
IMRT : ‘CRT’
•
Mean lung dose same
= 9 Gy
•
DVH different
•
In reporting, the DVH
(or some points on it)
may be useful
Lung dose-volume parameters Pt B
0.0%
10.0%
20.0%
30.0%
40.0%
50.0%
60.0%
V5
V10
V13
V15
V20 Gy
Dose-volume parameter
% volume
IMRT
CRT