J M Costa1, T Leal2, S D Carvalho3, R Gonçalves2, B Arroja2. 1. Gastroenterology Department, Hospital de Braga, Sete Fontes - São Victor, 4710-243, Braga, Portugal. julianamcosta87@gmail.com. 2. Gastroenterology Department, Hospital de Braga, Sete Fontes - São Victor, 4710-243, Braga, Portugal. 3. Pathology Department, Hospital de Braga, Sete Fontes - São Victor, 4710-243, Braga, Portugal.