Development and validation of a predictive algorithm for the total length of the small intestine using artificial intelligence techniques for application in bariatric surgery José Fernando Trebolle; Jorge Solano Murillo; Jesús Lobo Poyo; Carmen Pellicer Lostao; Mónica Valero Sabater; Gabriel Tirado Anglés; Irene Cantarero Carmona; María José Luesma Bartolomé;

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

Mechanical triangular esophagogastrostomy: Technical aspects and initial results Alfredo Vivas López; Elías Rodríguez Cuellar; Alberto García Picazo; Cristina Narváez Chávez; Pilar Gómez Rodríguez; Manuel Ortiz Aguilar; Ana Pérez Zapata; Eduardo Ferrero Herrero;