CDH17 is highly expressed in gastric cancer [47,48], pancreatic cancer [49,50], particularly in the exocrine-like subtype of pancreatic ductal adenocarcinoma [51], Barrett ́s esophagus and associated carcinoma [52], neuroendocrine tumors [53,54], colorectal cancer [45,50,55,56] and hepatocellular carcinoma [57,58,59]. This evidence concerns the gene CDH17 and gastric cancer.