
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 …
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 …
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 …
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 …
Radiation Therapy: Purpose, Procedure, Side Effects, and More
Feb 19, 2025 · There are two types of radiation therapy: external beam radiation (EBRT) and internal radiation. Your doctor will consider many factors when deciding which is best for you, …
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, …
Radiation therapy | Definition, Types, & Side Effects | Britannica
Oct 21, 2025 · radiation therapy, the use of ionizing radiation (high-energy radiation that displaces electrons from atoms and molecules) to destroy cancer cells. Radiation has been present …
Radiation Therapy - Harvard Health
Mar 24, 2023 · What is it? Radiation therapy is a form of cancer treatment that uses an intense form of energy, called ionizing radiation, to damage or destroy cancer cells. Ionizing radiation …
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 …
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 …