By univariate analysis, 10 parameters other than histological stage were significantly associated with cancer-specific survival (Table 4): margin status, an inflammatory or anaplastic histological type, tumor-associated inflammation, dermal invasion, cutaneous ulceration, the histological grade, ER and PR expression, the Ki-67 proliferation index, and the immunophenotype (luminal vs. triple-negative). This evidence concerns the gene MKI67 and cancer.