. . . . . . . . . . . . "[Like most cancers, early detection is the key to improving prognosis, but this outcome has proven difficult in the esophagus for several reasons: 1) patients present with advanced disease because `alarm symptoms,` such as dysphagia, occur at a late stage, and 2) high-grade dysplasia (HGD) and early ACA are not visible on routine surveillance endoscopy.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:37:46+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .