KIF2A and neoplasm: Meanwhile, KIF2A IHC score was increased in the tumor tissue (5.6 ± 3.1) than in the adjacent tissue (2.9 ± 1.7) (p < 0.001) (Figure 1B); KIF2A high percentage (defined as KIF2A IHC score >3) was also higher in tumor tissue than in adjacent tissue (p < 0.001) (Figure 1C).