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Myerson RJ, Garofalo MC, El Naqa I, et al. Int J Radiat Oncol Biol Phys. 2009
CTVC: inguinal nodal region
Cranial:
caudad edge of internal obturator vessels
(bony landmark:
upper edge of the superior rami pubic)
Caudal:
2 cm below the saphenous-femural junction
Margin around the vessels:
The inguinal femural region should be contoured as a
compartment with any identified nodes (expecially in the lateral
inguinal region) included