What does preoperative three-dimensional image contribute to complex pancreatic surgery? Marina Garcés-Albir; Elena Muñoz-Forner; Dimitri Dorcaratto; Luis Sabater;

Intraoperative endoscopy in bariatric surgery Maria Lapeña-Rodríguez; Rosa Martí-Fernández; Raquel Alfonso-Ballester; Norberto Cassinello-Fernández;

Characteristics of gastrointestinal stromal tumors associated to other tumors Roberto Martí-Obiol; Rosa Martí-Fernández; Mari Carmen Fernández-Moreno; Maria Eugenia Barrios-Carvajal; Fernando López-Mozos;