Prognostic impact of log odds of positive lymph nodes (LODDS) in the stratification of patients with rectal cancer Vincenzo Vigorita; Oscar Cano-Valderrama; Raquel Sánchez-Santos; Marta Paniagua-Garcia-Señorans; Enrique Moncada; Gianluca Pellino; Jesús Paredes-Cotoré; Enrique Casal;

Solid pseudopapillary neoplasms of the pancreas: Multicenter Vasepa study Xiomara Duque Alvarez; Cándido Fernando Alcázar; Ana Hernando Sanz; Isabel Mora Oliver; Laura Granel; José A. Barreras; Alicia Calero; Silvia Carbonell Morote; Carlos Domingo; Rafael Estevan; Israel Oliver; Rafael López Andujar; Luis Sabater; Antonio Compañ; José M. Ramia;

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;