title: [Primary esophageal carcinoma; clinical presentation and evaluation of diagnostic methods].
mesh_terms: D001706:Biopsy; D001835:Body Weight; D003680:Deglutition Disorders / Q000209:etiology; D004938:Esophageal Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D004945:Esophagoscopy; D006801:Humans
vernacular_title: Carcinoma esofágico primario; presentación clínica y valoración de los métodos diagnósticos.