KIF23 and neoplasm: No significant difference in KIF23 mRNA level was found in patients with pathological T stage (P=0.756), pathological N stage (P=0.904), pathological M stage gender (P=0.626), pathological stage (P=0.356), primary therapy outcome (P=0.635), gender (P=0.776), residual tumor (P=0.777) and histologic grade (P=0.129).