Major Ambulatory Surgery in Breast Diseases Andrés Garcia-Vilanova Comas; Judit Nadal Gisbert; Raquel Santofimia Chordá; Carlos Fuster Diana; Alejandra de Andrés Gómez; José Medrano González; Verónica Gumbau Puchol; Cristóbal Zaragoza Fernández;

Assessment of postoperative morbidity in Spanish hospitals: Results from a national survey Roberto de la Plaza Llamas; David Parés; Víctor Soria Aledó; Roger Cabezali Sánchez; Miguel Ruiz Marín; Ana Senent Boza; Manuel Romero Simó; Natalia Alonso Hernández; Helena Vallverdú-Cartié; Julio Mayol Martínez;

DUCMA 2.0 project: Update on the current situation of the outpatient surgery units in Spain Dieter Morales-García; Matilde Zaballos García; Juan Carlos Cagigas Lanza; Fernando Docobo Durantez; Luis Antonio Hidalgo Grau;