Dr. Xavier Salazar Vintimilla

Colon cancer is a type of cancer that begins in the large intestine (colon). The colon is the final part of the digestive tube.

Colon and rectal cancer occurs in older adults, although it can occur at any age. It usually begins as small, noncancerous (benign) polyps of cells that form inside the colon. Over time, some of these polyps can develop into colon cancer.

Polyps may cause few or no symptoms. For this reason, regular screening tests are recommended to help prevent colon cancer by identifying and removing polyps before they turn into cancer.

If colon cancer develops, there are many treatments available to control it, including surgery, radiation therapy, and drug treatments such as chemotherapy.


Signs and symptoms of colon cancer include the following:

Many people with colon cancer do not experience symptoms in the early stages of the disease. When symptoms do appear, they are likely to vary, depending on the size of the cancer and its location in the large intestine.

When to consult the doctor

 If you notice any persistent symptoms that worry you, see your doctor.

Talk to your doctor about when to start colon cancer screening. Guidelines generally recommend that colon cancer screening begin around age 50. Your doctor may recommend more frequent or earlier screening if you have other risk factors, such as a family history of the disease.


It is not known exactly what causes most colon cancers. Healthy cells grow and divide in an orderly way to maintain normal body function. But when a cell's DNA becomes damaged and becomes cancerous, cells continue to divide, even when they don't need new cells. As the cells accumulate, they form a tumor.

Over time, cancer cells can grow to invade and destroy nearby normal tissue. And cancer cells can travel to other parts of the body to form deposits there (metastasis).

Risk factor's

Factors that can increase the risk of colon cancer include the following:


Colon Cancer Screening

 Doctors recommend that people at average risk for colon cancer consider colon cancer screening around age 50. But people at higher risk, such as those with a family history of colon cancer, should consider getting screened sooner.

Lifestyle changes to reduce colon cancer risk

You can take steps to reduce your risk of colon cancer by making changes in your daily life. Take the following steps:

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