Impact of sarcopenic obesity on surgical complications and oncologic outcomes of upper gastrointestinal tumors: A systematic review and meta-analysis Luz Divina Juez; Ana del Carmen Ortega; Pablo Priego; Juan Carlos García Pérez; José María Fernández-Cebrián; Jose I. Botella-Carretero;

Results of the national registry of patients diagnosed with inflammatory bowel disease candidates for bariatric surgery (ReNacEIBar) Manuel Ferrer-Márquez; M. Dolores Frutos Bernal; Amador García Ruiz de Gordejuela; Manuel García-Redondo; Mónica Millán; Fátima Sabench Pereferrer; Jordi Tarascó Palomares;

Assesment, impact and management of moderate and severe duodenopancreatectomy complications Paula Pastor-Peinado; Juan Ocaña; Eduardo Lobo; José María Fernández-Cebrían; Alfonso Sanjuanbenito;