No significant differences in BMI (p = 0.21), parity (p = 0.17), genetic mutation (p = 0.19), distant metastasis (p = 0.53), tumor type (p = 0.39), tumor grade (p = 0.52) or Ki67 (p = 0.16 and 0.43) were found between the groups. This evidence concerns the gene MKI67 and neoplasm.