Hepatic portal venous gas, a potentially serious radiological finding Daniel Abad; Viviana Laredo; Gonzalo Hijos; Enrique Alfaro; Pablo Cañamares; Sandra García; Raúl Velamazán; María Hernández; Nuria Saura; Sara Lorente;

Abscess secondary to complicated peptic ulcer managed by endoscopic ultrasound-guided drainage with a lumen-apposing metal stent Gonzalo Hijos; Daniel Abad; Viviana Laredo; Enrique Alfaro; Pablo Cañamares; Sandra García; Raúl Velamazán; María Hernández; Nuria Saura; Carlos Sostres;

Synchronic finding of a foreign body in colon and a malignant gastrocolic fistula Enrique Alfaro; Viviana Laredo; Pablo Cañamares; Daniel Abad; Gonzalo Hijos; Sandra García Mateo; Raúl Velamazán; María Hernández; Nuria Saura; Ángel Ferrandez;