Fontes, Belchor, Cornelius Mitteldorf, Renato Sérgio Poggetti, Leonardo Toledo Mota, Nivaldo Cabral, and Dario Birolini. 2005. “ Sigmoid Colon Adenocarcinoma: 9 Years from Diagnosis to Treatment ”. Clinics 60 (6): 501-3. https://doi.org/10.1590/S1807-59322005000600013.