The experimental results showed (Figure 1b) that ALDH+ cells ratio was 1.05%, 5.75%, 12.20% and 29.50% in tumor cells and sphere cells with 1-week, 2-weeks and 3-weeks in A2780/CP70, and 1.25%, 2.75%, 7.20%, 24.95% in OVCAR-3, respectively. This evidence concerns the gene LDHA and neoplasm.