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;

Rectal cancer at the peritoneal reflection. Preoperative MRI accuracy and histophatologic correlation. Prospective study Eduardo Álvarez Sarrado; Francisco Giner Segura; Adela Batista Domenech; Álvaro Garcia-Granero García-Fuster; Matteo Frasson; Polina Rudenko; Blas Flor Lorente; Eduardo Garcia-Granero Ximénez;