The Journal of Coloproctology (JCOL) publishes articles that contribute to improvements and developments of the medical practice, research and training in Coloproctology and related specialties. Also published in English version, starting in vol. 31, issue 3, 2011. The guidelines are based on the format proposed by the International Committee of Medical Journal Editors (ICMJE) and published in the article Uniform requirements for manuscripts submitted to biomedical journals, which was updated in April 2010 and can be accessed at http://www.icmje.org.