The mean time to tumor progression in those cases with an increased MIB-1 labeling index (≥5%) was 39.6 (95% CI: 12.7–66.4) months, whereas those with an MIB-1 labeling index <5% had a mean time to tumor progression of 77.6 (95% CI: 67.5–87.8) months. This evidence concerns the gene MIB1 and neoplasm.