. . . . . . . "[Chromogranin A-positive tumor cells can be detected in esophageal squamous cell carcinomas, supporting the notion that heterogeneous neuroendocrine (NE) differentiation also exists in tumors that lack NE cells in their normal epithelial counterparts.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2009-03-31"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:11:33+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .