KIF2A and non-small cell lung carcinoma: According to previous studies, KIF2A is highly expressed in the tissues of several kinds of tumors20, 21, 22: for example, a study shows that KIF2A expression is upregulated in the tumor tissue compared with adjacent tissue in NSCLC patients20; another study suggests that KIF2A expression in oral tongue cancer tissue is higher than that in paired adjacent tissue in SCCOT patients.21