Ki67 gene expression was lower in the treatment group compared to the control group at 6 hours (0.60±0.02 vs. 1.00±0.04; P<0.001) and Day 1 (0.35±0.03 vs. 0.97±0.05; P<0.001) after treatment initiation in the A2780 tumor group. This evidence concerns the gene MKI67 and neoplasm.