Multivariate ordinal logistic regression models (Table 3) confirmed that triple negative tumors (OR = 5.26, 99% CI = 0.97–28.51, p-value = 0.011) and higher Ki67 levels (OR = 14.76, 99% CI = 4.98–43.79, p-value < 0.0001) were associated with higher tumor grades. This evidence concerns the gene MKI67 and neoplasm.