Comparison of colon and rectum cancer: survival and prognostic factors

This study aims to investigate some clinical and pathologic factors associated with the prognosis of patients with colon and rectum cancers separately. Colorectal cancer is the most common cancer of the digestive system and also the fourth cause of cancer-related deaths around the world. Different studies indicate that survival of patients with colorectal cancer has improved in some areas of the world. However, it remains unclear which factors are involved in this improvement.Patients and Data for 1194 patients with colorectal cancer registered in the Cancer Registry Center of the Research Center of Gastroenterology and Liver Disease, Shahid Beheshti University of Medical Sciences were used in this study. Data analysis was performed using competing risks model. Software used for data analysis included STATA, Version11, and significance level was regarded as p.