TVD 2016

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

IF AUTOMATED EXPANSION ARE USED, THE CTV SHOULD BE TRIMMED OFF UNINVOLVED

Myerson RJ, Garofalo MC, El Naqa I, et al. Int J Radiat Oncol Biol Phys. 2009