Evolution of the Complications of Colorectal Cancer Treatment

vironment, with an incidence of 21-23 new cases per 100000 inhabitants/year. Usually the diagnosis is reached after a series of symptoms, with an average of 6 months of evolution. However, on other occasions, this diagnosis comes to us through the investigation of symptoms of acute onset, produced by evolutionary complications. These complications are intestinal obstruction, perforation and major bleeding. Below we describe these complications, their treatment and their prognostic implications.