Obstructive Shock Secondary to Diaphragmatic Hernia: An Uncommon Complication After Esophageal Surgery Ángel García Romera; Alberto Montes Montero; Sara González García; Alejandro Morales Hernández; Alberto Bravo Gutiérrez;

Retrorectal broncogenic cyst Ángel García-Romera; Carlota Tuñón-Féquant; Beatriz Díaz-Pérez; Alberto Bravo-Gutiérrez; Antonio Alarcó-Hernández;

Anal Melanoma, a Radically Different Pathology to the Cutaneous Melanoma, With an Infaustic Forecast Mireia Merichal Resina; Carlos Cerdan Santacruz; Enrique Sierra Grañón; Jordi Antoni Tarragona Foradada; Jorge Juan Olsina Kissler;