MKI67 and metastatic malignant neoplasm in the lymph nodes: Correlation analyses revealed that the expression level of UBE2C in BRCA was positively associated with the following factors: tumor size (r = 0.32, P = 0.000), histological grade (r = 0.237, P = 0.001), clinical stage (r = 0.198, P = 0.004), lymph node metastasis (r = 0.155, P = 0.026), HER2 expression (r = 0.356, P = 0.000), Ki-67 expression (r = 0.504, P = 0.000) and P53 expression (r = 0.32, P = 0.001).