Association between use of enhanced recovery after surgery protocols and postoperative complications after gastric surgery for cancer (POWER 4): a nationwide, prospective multicentre study Javier Ripollés-Melchor; Ane Abad-Motos; Marcos Bruna-Esteban; María García-Nebreda; Isabel Otero-Martínez; Omar Abdel-lah Fernández; María P. Tormos-Pérez; Gloria Paseiro-Crespo; Raquel García-Álvarez; María A Mayo-Ossorio; Orreaga Zugasti-Echarte; Paula Nespereira-García; Lucia Gil-Gómez; Margarita Logroño-Ejea; Raquel Risco; Felipe C Parreño-Manchado; Silvia Gil-Trujillo; Carmen Benito; Carlos Jericó; María I De-Miguel-Cabrera; Bakarne Ugarte-Sierra; Cristina Barragán-Serrano; José A. García-Erce; Henar Muñoz-Hernández; Sabela del- Río-Fernández; María L. Herrero-Bogajo; Alma M. Espinosa-Moreno; Vanessa Concepción-Martín; Andrés Zorrilla-Vaca; Laura Vaquero-Pérez; Irene Mojarro; Manuel Llácer-Pérez; Leticia Gómez-Viana; María T. Fernández-Martín; Alfredo Abad-Gurumeta; Carlos Ferrando-Ortolà; José M. Ramírez-Rodríguez; César Aldecoa;

Multicystic biliary hamartoma Victoria Carmona; Iago Justo; Yolanda Rodríguez-Gil; Alberto Marcacuzco; Carmelo Loinaz; Carlos Jiménez;

Assesment, impact and management of moderate and severe duodenopancreatectomy complications Paula Pastor-Peinado; Juan Ocaña; Eduardo Lobo; José María Fernández-Cebrían; Alfonso Sanjuanbenito;