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

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;

The utility of intraoperative endoscopy in the surgical treatment of Zenker's diverticulum David Plazas López; Marcos Bruna Esteban; Nuría García del Olmo;