cancer is very common in Western countries. It is the third most common cancer in men and second among women,
but the second most common cause of cancer death when both
sexes are combined. Worldwide, more than 940 000 new cases of colorectal cancer occur each year, causing nearly
655.000 deaths. In the United States alone, it is estimated that 146,970 men and women (75,590 men and
71,380 women) were diagnosed with colorectal cancer in 2009; around 49.920 people
(25.240 men and 24.680 women) died of it.
incidence rate of colorectal cancer was registered among Black people. According to the National Cancer Institute
(NCI), incidence rates by race from 17 SEER geographic areas were:
- Black - 69.3 per 100,000 men - 42.1 per 100,000
- White - 56.9 per 100,000 men - 42.1 per 100,000
- Asian/Pacific Islander - 46.9 per 100,000 - 34.6 per 100,000
- Hispanic - 46.3 per 100,000 men - 32.2 per 100,000
American Indian/Alaska Native
- 43.1 per 100,000 men - 41.2 per 100,000 women.