UBE2C and esophageal squamous cell carcinoma: The expression levels of UBE2C (Fig. 7A), CDKN3 (Fig. 7B), CKS2 (Fig. 7C), KIF20A (Fig. 7D) and RAD51AP1 (Fig. 7E) in EAC and ESCC were significantly higher than those in normal tissues.