Internal audit of oncological results in gastric cancer surgery Cristina Rihuete-Caro; Fernando Pereira-Pérez; Israel Manzanedo-Romero; Lucía Carrión-Álvarez;

Results of a national survey about therapeutic management in esophageal cancer Marcos Bruna; Fernando Mingol; Francisco Javier Vaqué;

Standardizing the Treatment of Esophagogastric Junction Tumors: Centralization, Registries and Surgical Training Roberto de la Plaza Llamas; José Manuel García Gil; José Manuel Ramia Ángel;