accelerated partial-breast irradiation

Definition / meaning of accelerated partial-breast irradiation

A type of radiation therapy given only to the part of the breast that has cancer in it. Accelerated partial-breast irradiation gives a higher dose over a shorter time than is given in standard whole-breast radiation therapy. Accelerated partial-breast irradiation may be given using internal or external sources of radiation. Also called partial-breast irradiation.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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