What is partial breast radiation therapy?

Dr. Susan A. McCloskey, MD
Radiation Oncologist
Partial breast radiation therapy is when the whole breast is not treated with radiation for breast cancer; rather, doctors focus their efforts on the area they think may be most at risk for breast cancer occurrence. The rationale for partial breast radiation is that the majority of recurrence in carefully selected women may be right at the lumpectomy site where the tumor was removed. The advantage of partial breast radiation is that it is convenient and can be completed in about a week’s time. In addition, less normal tissue is exposed to radiation.

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