Characteristics of gastrointestinal stromal tumors associated to other tumors Roberto Martí-Obiol; Rosa Martí-Fernández; Mari Carmen Fernández-Moreno; Maria Eugenia Barrios-Carvajal; Fernando López-Mozos;

The impact of anastomotic leakage after curative colon cancer resection on long-term survival: A retrospective cohort study Francisca Brito da Silva; Pedro Lopes; Daniela Cavadas; Beatriz Pereira Gonçalves; Margarida Bernardo; Nuno Abecasis; Manuel Limbert; João Maciel;

Recurrence and incidence of fistula after urgent drainage of an anal abscess. Long-term results Carlos Chaveli Díaz; Irene Esquiroz Lizaur; Inés Eguaras Córdoba; Gregorio González Álvarez; Ana Calvo Benito; Fabiola Oteiza Martínez; Mario de Miguel Velasco; Miguel Ángel Ciga Lozano;