MKI67 and neoplasm: Previous studies have identified several traditional clinic-pathological features (i.e., age, tumor size, and nodal status) in addition to some well-recognized prognostic factors, such as androgen receptor expression, Ki67 index and basal cytokeratin status, to provide reference for the outcome estimation of TNBC patients (Rakha et al., 2007; Kashiwagi et al., 2011; Lai et al., 2011; Adamo et al., 2017).