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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-rays …

  2. Radiation Therapy | The University of Kansas Cancer Center

    Many patients diagnosed with cancer will receive radiation treatment, or radiotherapy, during their cancer treatment. Based on your unique cancer diagnosis, your radiation oncologist will recommend …

  3. 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 …

  4. What is radiotherapy? - Worldwide Cancer Research

    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 radiation …

  5. 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 …

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

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

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

    Feb 11, 2026 · Radiation therapy targets an affected area with high-energy waves, often the location of a tumor or the place where a tumor was removed during surgery to destroy any remaining cancer cells.

  8. Radiation | American Cancer Society

    You might also hear it called radiotherapy, irradiation, x-ray therapy, radiation treatment, or sometimes just radiation. Learn more about how radiation therapy works, what to expect when you get …

  9. Effects of Radiotherapy in Normal Tissue | NEJM

    5 days ago · Radiotherapy is the second most commonly used treatment for cancer (after surgery), with oncologic indications that span primary, regional, and metastatic disease and treatment intended to...

  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, gamma rays, or …