Gynae BT 2017

Volume is important!

Median volume: 32cc

140

Standard

130

120

110

100

90

80

HR-CTV D90 standard

70

60

50

0 10 20 30 40 50 60 70 80 90 100 110

Volume HR CTV, cm 3

Violation of OAR constraint

K Tanderup et al, Radiother Oncol 2010

27