Imaging for early stage breast cancer

DVHs for PTV in BT and IMRT

100

90

slope of the curves!!!

80

70

60

50

BT

40

30

IMRT

Relative volume (%)

20

10

0

0 20 40 60 80 100 120 140 160 180 200

Relative dose (%)

Very different DVH characteristics

different parameters