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;

Textbook outcome in gastric surgery, what implications does it have on survival? Silvia Carbonell Morote; Ester Gracia Alegría; Emilio Ruiz de la Cuesta Tapia; Clara Llopis Torremocha; Sergio Ortiz Sebastián; José Luis Estrada Caballero; Celia Villodre; José Manuel Ramia;

Impact of perioperative chemotherapy on postoperative morbidity after gastrectomy for gastric cancer Francisco Cabral; Paulo Ramos; Cecilia Monteiro; Rui Casaca; Iola Pinto; Nuno Abecasis;