Site of recurrence after surgery
•
PORTEC-1: EBRT target volume proximal half of vagina
•
Approximately 2/3 at vault
•
Sub/peri-urethral region ~10%
➢
PORTEC-2: EBRT and VBT target volume proximal half
Creutzberg et al. Lancet 2000; Jereczek-Fossa et al. IJROBP 2000; Nout et al. Lancet 2010