proton beam

Image of a patient receiving proton beam therapy
Mayo Clinic announces plans to expand proton beam therapy services in Minnesota

Mayo Clinic is announcing a 110,000-square-foot, $200 million expansion to the Mayo Clinic Proton Beam Therapy Program in Rochester.

3-year-old boy receiving cancer treatment in the hospital plays with super hero toys
3-year-old takes on rare cancer with a little help from his friends

Playing with superheroes and other toys is part of Rhett's morning routine at Mayo Clinic, where he's receiving targeted proton beam radiation treatment for Ewing sarcoma.