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  1. Radiation Therapy for Cancer - NCI

    May 15, 2025 · Radiation therapy is a type of cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumors. Learn about the types of radiation, why side effects happen, which …

  2. Radiation therapy - Mayo Clinic

    Jul 2, 2024 · Radiation therapy, also called radiotherapy, is a type of cancer treatment. This treatment uses beams of intense energy to kill cancer cells. Radiation therapy most often uses X-rays. But …

  3. Radiation Therapy - American Cancer Society

    What is radiation therapy? Radiation therapy uses high-energy particles or waves, such as x-rays, gamma rays, electron beams, or protons, to destroy or damage cancer cells. It may be used alone or …

  4. Radiation Therapy - MedlinePlus

    Mar 20, 2025 · Radiation therapy is a cancer treatment. It uses high doses of radiation to kill cancer cells and stop them from spreading. It may also be used for easing cancer symptoms. Radiation therapy …

  5. Radiation Therapy: Purpose, Procedure, Side Effects, and More

    Feb 19, 2025 · Radiation therapy is a cancer treatment that uses concentrated radiation beams to kill cancer cells. Get the facts on why it’s done and what to expect.

  6. Radiation Therapy: Types of Treatment and How It Works

    Dec 22, 2023 · Radiation therapy (also called radiotherapy) uses targeted energy, including X-rays and radioactive substances, to destroy cancer cells, shrink tumors and/or alleviate certain cancer-related …

  7. Radiation Therapy for Cancer: How Does It Work? - Cleveland Clinic

    What is radiation therapy (radiotherapy)? Radiation therapy — or radiotherapy — is a common cancer treatment that uses radiation (usually high-powered X-rays) to kill cancer cells. Radiation therapy …

  8. Radiation Treatment: What to Expect Before, During and After

    Learn about radiation treatment for cancer, including types of therapy, side effects and what to expect before, during and after care at Capital Health.

  9. What is Radiation Therapy? – Stanford Med Education

    You may be wondering how radiation therapy kills cancer cells and keeps them from growing. Radiation uses high energy x-rays to damage the cancer cells. When they cannot repair themselves, the …

  10. Why and when radiation therapy is used to treat cancer

    Radiation therapy is a type of cancer treatment that uses high doses of radiation to kill cancer cells, or slow their growth and shrink tumors. It’s typically used as a targeted treatment, meaning that the …