AROI-ESTRO GYN Teaching Course

Paraaortic (PAo) node involvement

Locally advanced disease : 36% - 50% of all tumors

Early stage tumors : FIGO IA1 with lymph vascular space involvement, IA2, or IB1 with proven positive pelvic nodes : 3% to 5.5% risk of PAo node positivity

FIGO IB2-IVA : 15% - 35% risk of involved PAo node