Splenomesenteric Portal Venous Confluence Reconstruction Using Posterior Rectus Abdominis Muscle Sheath as Autologous Graft in Pancreatic Surgery Maria Galofré Recasens; Sara Sentí Farrarons; Maria Isabel García Domingo; Francesc Espin Alvarez; Esteban Cugat Andorrà;

Relevance of Positive Resection Margins in Ductal Pancreatic Adenocarcinoma and Prognostic Factors Juan Ocaña; Alfonso Sanjuanbenito; Alba García; José Manuel Molina; Eduardo Lisa; Elena Mendía; Cristina Saavedra; Eduardo Lobo;