About Colorectal cancerColorectal cancer is the third most common form of cancer in the United States, affecting about 4.5 percent of the population in their lifetime. The number of new cases of colon and rectum cancer was 41.0 per 100,000 men and women per year. The number of deaths was 15.1 per 100,000 men and women per year. These rates are age-adjusted and based on 2009-2013 cases and deaths. Risk factors are a personal or family history of colon and/or rectum cancer or polyps and inflammatory bowel disease have been associated with an increased risk for this type of cancer. Other risk factors include physical inactivity, high-fat and/or low-fiber diet, and an inadequate intake of fruits and vegetables.
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Types of Colorectal cancer
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~Adenocarcinomas: Tumors that originate in the lining of internal organs, although in colorectal cancer they begin as adenomatous polyps.
~Gastrointestinal stromal tumors: These originate in the muscular tissue of the colon. ~Lymphoma: Start in the lypmh nodes which can be in the colon or the rectum ~Carcinoids: These are cause by hormones, and normally start in the hormone producing cells of the intestines, typically, asymptomatic in nature. |
Symptoms |
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