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n. The branch of medicine that deals with the use of radioactive substances in diagnosis and treatment of disease.

n. The use of ionizing radiation for medical diagnosis, especially the use of x-rays in medical radiography or fluoroscopy.

n. The use of radiation for the scientific examination of material structures; radioscopy.

n. The use of radioactive substances in diagnosis and treatment.

n. The use of radiation (including ionizing radiation, especially X-rays) in diagnosis, usually through the formation of images.

n. Radioscopy.

n. The science and art of the production and therapeutic application of X-rays or the rays from radioactive substances.

n. (radiology) examination of the inner structure of opaque objects using X rays or other penetrating radiation

n. the branch of medical science dealing with the medical use of X-rays or other penetrating radiation

"Examples of cancer surveillance measures include physical examinations, blood tests and certain radiology studies."

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