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  1. Radiation Therapy for Cancer - NCI

    May 15, 2025 · Radiation therapy (also called radiotherapy) is a cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumors. At low doses, radiation is used in x …

  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 …

  3. Radiation Therapy Treatment | University of Michigan Health

    Radiation therapy is a type of treatment using high-energy radiation, such as X-rays, to destroy cancer cells and shrink tumors. Radiation may come from a machine outside the body …

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

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

  5. Radiotherapy | What It Is and How It Treats Cancer | Worldwide …

    Sep 16, 2025 · What is radiotherapy? Radiotherapy, sometimes called radiation therapy, is a form of cancer treatment that uses special 'ionising' radiation to target cancer cells. Ionising …

  6. What is radiotherapy? | Cancer treatment | Cancer Research UK

    What is radiotherapy? Radiotherapy means the use of radiation, usually X-rays, to treat cancer. There are 2 main types - external and internal radiotherapy.

  7. Radiation therapy - Wikipedia

    Radiation therapy or radiotherapy (RT, RTx, or XRT) is a treatment using ionizing radiation, generally provided as part of cancer therapy to either kill or control the growth of malignant …

  8. Radiation | 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 …

  9. 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.

  10. Radiation Therapy - Johns Hopkins Medicine

    Radiation therapy is a type of cancer treatment. You may also hear it called radiotherapy or therapeutic radiology. Radiation therapy kills cancer cells with beams of high-energy X-rays, …