Colorectal Cancer
December 20th, 2009 | 
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Colorectal cancers include cancers of the colon and rectum. Together, the colon and rectum are part of the digestive tract called the large intestine.
The colon is responsible for absorbing water and nutrients from undigested food through it. The rectum is located at the end of the colon of waste products are stored before being expelled from the body.
Risk Factors
The exact causes of colorectal cancer are poorly understood, however, a number of risk factors may increase the chances of being afflicted with this disease. The risk increases with age, a family history of colorectal cancer, or women with a history of breast, ovaries or uterus.
Colorectal cancer seems to be associated with a diet rich in fat and calories but low in dietary fiber, and ulcerative colitis, a disease characterized by inflammation of the lining of the colon.
The presence of polyps is another common risk factor. Polyps are benign growths on the inner wall of the colon or rectum. Without treatment, they can ultimately become cancerous. Those with one risk factors mentioned above should talk to a doctor to determine when they should start making screening tests, what tests they should have, and how often.
Symptoms
Symptoms of colorectal cancer may include: a change in bowel habits, the presence of blood in the stool, abdominal discomfort as general pain associated with intestinal gas, bloating or a feeling of fullness, weight loss, unexplained fatigue and vomiting. These symptoms may be caused by colorectal cancer or other diseases. It is therefore important to consult his doctor.
Treatment
The treatment of colorectal cancer varies depending on the size and site of the tumor, and extent of the disease. It uses several types of treatment against colorectal cancer, and sometimes combining different treatments. Some options include surgery, which removes the tumor, chemotherapy using anticancer drugs or radiotherapy using X-ray high energy to kill cancer cells. Your doctor will decide together with you the best treatment option.
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