Retrorectal hamartoma cyst (tailgut cyst) in a young man Maite Rodrigo-Calvo; Ivan Archilla; Silvia Alos; Nuria Vidal-Robau; Karmele Saez de Gordoa; Julián Moreno; Oriol Sendino; Miriam Cuatrecasas;

Brief guidelines for beginners on how to perform and analyze esophageal high-resolution manometry Andrés R. Latorre-Rodríguez; Sumeet K. Mittal;

Retrieval of a retained capsule endoscopy through a metallic colonic stent in a patient with a neoplastic obstruction Guillem Soy; Alex Bofill; Miquel Urpí; Henry Cordova; Oriol Sendino; Begoña González-Suárez;