KIF2C and esophageal squamous cell carcinoma: Previous research has revealed that KIF2C is substantially expressed in liver cancer (17, 19, 26, 27), breast cancer (28), endometrial carcinoma (20), lung cancer (29, 30), glioma (31), bladder cancer (32), colorectal cancer (33), esophageal squamous cell carcinoma (34), cervical cancer (18), and thyroid cancer (35).