title: Tissue demonstration of carcinoembryonic antigen (CEA) in columnar esophageal epithelium.
mesh_terms: D001471:Barrett Esophagus / Q000276:immunology*; D002272:Carcinoembryonic Antigen / Q000032:analysis*; D004724:Endoscopy; D004848:Epithelium / Q000276:immunology; D004935:Esophageal Diseases / Q000276:immunology*; D004947:Esophagus / Q000276:immunology*; D005455:Fluorescent Antibody Technique; D006801:Humans
chemical_list: D002272:Carcinoembryonic Antigen