title: [1st case of megaesophagus with positive Trypanosoma cruzi serology].
mesh_terms: D000328:Adult; D001706:Biopsy; D014355:Chagas Disease / Q000150:complications* / Q000175:diagnosis; D004931:Esophageal Achalasia / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D012698:Serologic Tests
vernacular_title: Primer caso de megaesófago con serología positiva a Trypanosoma cruzi.