The study aims at investigating if icodextrin 4% instilled in abdominal cavity during surgery can reduce the risk of surgery and hospitalisation for small bowel obstruction in patients with colorectal cancer. Follow-up data is collected from the Swedish national colorectal cancer registry.Patients are followed for 5 years postoperatively.The study is a randomized Swedish multicenter study and planned to include 1,800 patients. A safety control is planned after 300 included patients.