Results showing cutoff value, sensitivity and specificity, and positive predictive value (PPV) for mitotic count, Cyclin A2, Cyclin B1, Cyclin E, and PHH3 count in 10 HPF, as well as expression rate (%) for Ki-67 and Survivin, related to the differentiation of phyllodes tumors, are presented in Table 4. This evidence concerns the gene CCNE1 and phyllodes tumor.