Definition of systemic radiation therapy - NCI Dictionary of Cancer Terms

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systemic radiation therapy (sis-TEH-mik RAY-dee-AY-shun THAYR-uh-pee)

A type of radiation therapy in which a radioactive substance, such radioactive idoine or a radioactively labeled monoclonal antibody, is swallowed or injected into the body and travels through the blood, locating and killing tumor cells.

Previous Definitions:	systemic chemotherapy, systemic disease, systemic inflammatory response syndrome, systemic lupus erythematosus, systemic mastocytosis
Next Definitions:	systemic scleroderma, systemic sclerosis, systemic therapy, T cell, T lymphocyte