555 / 1119
16
Current (EMBRACE I) and future
(EMBRACE II) practice: EBRT volume
CRT IMRT : 500cm
3
(V43)
50Gy 45Gy : 400cm
3
(V43)
Inter-center PTV variations EMBRACE I: mean ± 400cc (both pelvic and para-aortic)
Pelvic
Para-aortic
PTV (cc)
~ 1500 cm
3
~ 2000 cm
3
V43 (cc)
EMBRACE I
~ 2500 cm
3
~ 3000 cm
3
V43Gy (cc)
EMBRACE II
~ 1500 cm
3
~ 2000 cm
3
Change of practice: EMBRACE I
EMBRACE II
xmm 5mm : x cm
3
(V43)