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APBI for breast cancer

What is APBI?

Accelerated partial breast irradiation (APBI) is a breast radiation therapy in which focused radiation is delivered specifically to the part of the breast where the tumor was removed.

We may administer APBI treatments via brachytherapy or through external radiation beam techniques, such as TomoTherapy®.

Requirements for APBI typically include a small tumor, clear surgical margins after a lumpectomy and preferably no lymph nodes containing cancer. Therefore, APBI may be a suitable treatment option for women with early stage breast cancer.

Advantages of APBI for breast cancer

Some advantages of APBI for breast cancer include:

  • With APBI, breast radiation therapy treatments are focused specifically on the part of the breast where the tumor was removed, so radiation is contained to the tumor cavity as much as possible.
  • Because the radiation is so targeted, it affects less of the healthy tissue and organs close to the breasts, including the lungs, heart, ribs, muscles and skin.
  • APBI can be given in a more condensed schedule than some other radiation therapies for breast cancer (five days instead of six to seven weeks).
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