Mayo Clinic Minute: Using targeted therapy to treat breast cancer

Proton therapy is a newer type of radiation therapy that uses energy from positively charged particles called protons. Studies have suggested that proton therapy may cause fewer side effects than traditional radiation, since doctors can better control where the proton beams deposit their energy.

In this Mayo Clinic Minute, Dr. Robert Mutter, a Mayo Clinic radiation oncologist, explains potential long-term advantages of using targeted therapy to treat breast cancer.
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