Target Volume Determination 2015
Target volumes - GTV
GTV – where
tumour cell density is highest
high
(from ICRU 62)
Tumour cell density
Low? Zero?
Distance
GTV
CTV T
CTV N
Made with FlippingBook
Target volumes - GTV
GTV – where
tumour cell density is highest
high
(from ICRU 62)
Tumour cell density
Low? Zero?
Distance
GTV
CTV T
CTV N
Made with FlippingBook