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;

Characteristics and oncological results of epidermoid anal carcinoma: Comparison analysis between immunocompetent and immunosuppressed patients Yolanda Saralegui Ansorena; Jose Maria Enriquez-Navascues; Carlos Placer Galan; Nerea Borda Arrizabalaga; Jose Luis Elosegui Aguirrezabala; Garazi Elorza Echaniz; Ane Etxart Lopetegi; Ignacio Aguirre Allende;

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;