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Types of Radiation

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There are three main types of radiation:

External Whole-Breast Radiation
External radiation is the most common type of radiation, typically given after lumpectomy and sometimes, mastectomy. In this section, you can read about how external whole-breast radiation is given.
Internal Radiation
Internal radiation is a less common method of giving radiation. It is being studied for use after lumpectomy. In this section, you can read about how radiation is delivered inside the breast.
Intraoperative Radiation
Another relatively new type of radiation to treat breast cancer is intraoperative radiation therapy (IORT). IORT is given during lumpectomy surgery after the cancer has been removed. In this section you can read about how intraoperative radiation therapy is given.

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