In the United States, colorectal cancer is one of the leading causes of death among men and women. Although it is slightly more common in men, one in every 25 women will be diagnosed with colon or rectal cancer at some point in their lives. Compared to one in 23 men. Colorectal cancer can occur in young adults and teenagers, but the majority of the colorectal cancers occur in people older than 50. For colon cancer, the average age at the time of diagnosis for men is 68, and for women is 72. Despite the higher prevalence of this cancer among men, females over 65 years old show higher mortality and a lower five-year survival rate of colorectal cancer compared to their age matched male counterparts.