title: Carcinoma of the esophagus--current imaging options.
mesh_terms: D001466:Barium Sulfate; D001471:Barrett Esophagus / Q000000981:diagnostic imaging* / Q000473:pathology; D004935:Esophageal Diseases / Q000000981:diagnostic imaging*; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D009367:Neoplasm Staging; D014057:Tomography, X-Ray Computed
chemical_list: D001466:Barium Sulfate