564 / 1363
CTV delineation
GTV + margin of at least 10 mm, unless safe barriers (bone, muscle).
Parametria, uterus & (part of) vagina (at least 20 mm below GTV).
Pelvic LN: parametrial, pararectal, internal iliac, external iliac, presacral &
common iliac.
Inguinal LN if stage IIIA. Para-Aortic LN only if involved?
Nodal volumes should follow the relevant vessels with a margin of 7 mm in
the loose connective tissue.
Lim K. et al. Int J Radiat Oncol Biol Phys 2011.