617 / 1726
•
Low risk:
stage I grade 1-3 no invasion
stage I grade 1 <50% invasion
•
Intermediate risk:
stage I grade 2-3 <50% invasion
stage I grade 1-2 ≥50% invasion
•
High risk:
stage I grade 3 ≥50% invasion; stage II / III / IV
NEEC: serous, clear-cell carcinoma, carcinosarcoma
Historic Risk Groups