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Dictionary of Cancer Terms

View in Spanish: Radioterapia interna no sellada

Unsealed internal radiation therapy (RAY-dee-AY-shun THAYR-uh-pee)
Radiation therapy given by injecting a radioactive substance into the bloodstream or a body cavity, or by swallowing it. This substance is not sealed in a container.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.