BIRC5 and neoplasm: However, survivin overexpression was not significantly associated with tumor FIGO stage (I+II vs. III+IV) (OR = 0.843, 95% CI: 0.626–1.137, P = 0.264) (Fig 3B), tumor grade (G1+G2 vs. G3) (OR = 0.913, 95% CI: 0.689–1.210, P = 0.527) (Fig 3C), tumor size (>4 cm vs.<4 cm) (OR = 0.825, 95% CI: 0.434–1.570, P = 0.559) (Fig 3D), or stromal invasion (OR = 0.820, 95% CI: 0.545–1.233, P = 0.340) (Fig 3E).