title: [Diagnostic evaluation of dysphagia. I. Megaesophagus-esophageal cancer].
mesh_terms: D000328:Adult; D003680:Deglutition Disorders / Q000209:etiology*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000150:complications*; D004938:Esophageal Neoplasms / Q000150:complications*; D004940:Esophageal Stenosis / Q000150:complications*; D004945:Esophagoscopy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
vernacular_title: Valoración diagnóstica de la disfagia. I. Megaesófago-cáncer esofágico.