Course book Advanced Treatment Planning 2018
Lung doses
• 2 plans compared • IMRT : ‘CRT’
Lung dose-volume parameters Pt B
60.0%
50.0%
• Mean lung dose same = 9 Gy • DVH different
40.0%
IMRT CRT
30.0%
20.0%
% volume
10.0%
0.0%
V5
V10
V13
V15
V20 Gy
Dose-volume parameter
• In reporting, the DVH (or some points on it) may be useful
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