GHET1 and esophageal squamous cell carcinoma: The overexpression of GHET1 was observed in most types of human cancer such as lung cancer [11,12], hepatocellular carcinoma [13,14], breast cancer [15], colorectal cancer [16], esophageal squamous cell carcinoma [17], pancreatic cancer [18], bladder cancer [19], head and neck cancer [20], osteosarcoma [21], and glioma [22].