481 / 1332
0
100
200
300
400
500
600
700
bowel 30 Gy
bowel 42.75 Gy
volume in cc
conformal
imrt
0
20
40
60
80
100
120
bladder 30 Gy
bladder 42.75 Gy
conformal
imrt
0
20
40
60
80
100
rectum 30 Gy
rectum 42.72 Gy
conformal
imrt
Gain of IMRT is organ sparing!
Portelance et al 2001, Van de Bunt et al 2006, Lukovich et al
3D CRT vs IMRT
14 patients with cervical cancer, IMRT: 7 beams, 10 MV