KIF2A and neoplasm: In BLBC patients, both KIF2A IHC score (mean value: 5.5 ± 3.0 vs. 2.7 ± 1.6) (p < 0.001) and KIF2A mRNA expression [median (IQR) value: 2.521 (2.004–3.769) vs. 1.031 (0.716–1.263)] (p < 0.001) were higher in tumor than in adjacent tissue (Figures 1B, C).