440 / 1983
•
Perivascular margin (femoral vessels)
–
Anteromedial ≥35 mm,
–
Anterior ≥23 mm,
–
Anterolateral ≥25 mm,
–
Medial ≥22 mm
•
“Lymph node recurrence is not seen posterior or lateral to
femoral vessels, thus there is no need to add margins to
the vessels in those regions.”
Gaffney DK. Int J Radiat Oncol Biol Phys. 2016;95(4):1191-200
Contouring inguinal nodes CTV