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When is radiation therapy needed?

You may need radiation therapy to destroy cancer cells and shrink and possibly eliminate one or more tumors, to prevent a recurrence of cancer or to relieve symptoms of cancer. Radiation therapy uses high energy radiation to damage the DNA in cancer cells to make them stop dividing and die.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.