Cells become abnormal because of damage to DNA, which is the genetic make-up of our cells | Some cancers show no signs or symptoms until they are very advanced |
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Cancer cells have the ability to travel through the body in the blood or lymph vessels and invade other organs | Most cancer deaths are caused by metastasis |
For example, breast cancer that has spread to the liver is called metastatic breast cancer, not liver cancer.
9Regular screening for some types of cancer can detect changes in cells before they become cancerous | Regular physical activity reduces your risk of developing many kinds of cancer and increases the chance of cancer survival |
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Certain vaccinations help with the prevention of some cancers | For example, many women receive a vaccination for the human papillomavirus to help prevent cervical cancer |
Generally, signs and symptoms of cancer depend on the type of cancer, where it is located, and where the cancer cells have spread.
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