1507 / 1840
GEC-ESTRO target volume concept
Potential
Significant
microscopic
Potential
Significant
microscopic
HR CTV
Macroscopic cancer cell density
>80 Gy
-
>60 Gy
-
45Gy
microscopic
microscopic
Cancer cell density
GTV
(visible/palpable tumor)
IR CTV
IR CTV
LR CTV
LR CTV
Pelvic wall
Pelvic wall
Cervix
Residual macroscopic
disease at BT
Initial macro copic extent of disease
Radiother and Oncol 2005