PROFUGO study protocol: Predictive model for the early diagnosis of anastomotic leak after esophagectomy and gastrectomy Rocío Pérez Quintero; Marcos Bruna Esteban; Antonio José Serrano López;

First gastroduodenal artery approach for gastric cancer lymphadenectomy in situations of anatomical variations Alberto García Picazo; Ana Pérez Zapata; Elías Rodríguez Cuéllar; Eduardo Ferrero Herrero;

Preoperative management of patients with oesophageal cancer: Expert recommendations Marcos Bruna Esteban; Rocío Pérez Quintero; M. Asunción Acosta Mérida; Aitana García Tejero;