1001 / 1609
Target Definitions
GTV
:
Macroscopic Tumor at BT
HIGH Risk CTV :
Residual tumour at BT +
HR-CTV
‘grey zones’ which may be areas of
incomplete tumour regression
INTERMED. Risk CTV : Macroscopic tumour-bearing
IR-CTV
regions at time of diagnosis
(includes microscopic disease)
LOW Risk CTV
:
Includes potential microscopic
tumour spread at time of diagnosis