Brain Abscess and Esophageal Dilatation: where is the Link? - Case Report - Welling, Leonardo C; Feltrin, Fabricio Stewan; Welling, Mariana S; Brino, Joao Afonso Caldeira; Zyto, Victor Feferbaum; Figueiredo, Eberval Gadelha (Brazilian neurosurgery-arquivos brasileiros de neurocirurgia, 2020)