656 / 1228
D
2cc
= 81 Gy EQD
2
D
0.1cc
= 108 Gy EQD
2
ventral
dorsal
high dose area
corresponding to 0.1cc
Pötter et al. Radiother & Oncol 2005
Georg et al. Radiother & Oncol 2009
Endoscopic mapping
2cc
1cc
0.1cc
Bladder
Rectum
ICRU 38 Ref. Points
GTV
Sigmoid