Results at one year of the TROPIS technique in the treatment of complex anal fistula María Luisa Reyes Díaz; Fatima Hinojosa-Ramirez; Irene María Ramallo Solís; Rosa María Jiménez Rodríguez; Jose Pintor Tortolero; Ana María García Cabrera; Jorge M. Vázquez Monchul; Fernando de la Portilla de Juan;

National observational study about the surgical treatment of anal fistula: Does the kind of hospital modify the results? Oscar Cano-Valderrama; Carlos Cerdán-Santacruz; Pilar Fernández Veiga; Tamara Fernández-Miguel; Elena Viejo; Álvaro García-Granero; Teresa Calderón; María L. Reyes;

Validation of pelvic magnetic resonance imaging as the method of choice to determine the distance to the anal margin in rectal cancer Miguel Ángel Lorenzo Liñán; Juan García Armengol; Gonzalo Pablo Martín Martín; Vicente Martínez Sanjuán; José Vicente Roig Vila;