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Myerson RJ, Garofalo MC, El Naqa I, et al. Int J Radiat Oncol Biol Phys. 2009
CTVA: internal iliac, pre-sacral, peri-rectal.
CTVB: external iliac nodal region
CTVC: inguinal nodal region
Elective nodal CTVs
LIMITATIONS:
•
no clear definition of the
different anatomical boundaries