Because early detection of colon cancer and rectal cancer directly impacts outcomes,

it is important to gain an understanding of symptoms, types, stages and risk factors of these diseases.

 

Colorectal Cancer

Colorectal cancer is the third most commonly diagnosed cancer in both men and women in the US. Colorectal cancer includes cancer of the colon, rectum and appendix and is caused by uncontrolled cell growth (also know as neoplasia) in the colon, rectum, or vermiform appendix.

The colon and rectum are responsible for the storage and elimination of the body’s solid waste. They are lined with a covering, which, with aging, tends to develop growths, called polyps. Over time, it is these polyps that may become cancerous. Colorectal cancers begin in the lining of the bowel. If left untreated, the cancer can grow into the layers of muscle underneath the bowel and best replica watch mens eventually through the bowel wall. Most cancers start as a small polyp or adenoma growing on the bowel wall. These growths, which resemble mushrooms, are usually harmless, but some will develop into cancer over time. This type of localized bowel cancer is usually found through the use of colonoscopy.

Colorectal cancer is the 3rd most common type of cancer in the world but it is much more common in developed countries, with around 60% of cases being diagnosed in countries in the developed world. In 2008, 1.4 million new cases of colorectal cancer were diagnosed, and there were over 600,000 deaths worldwide from colorectal cancer.

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