Minnesota
![](https://cdn.prod-carehubs.net/n1/64bf9b8fff067424/uploads/2021/10/Proton-Beam-Illustration-16x9-1.png)
Mayo Clinic is announcing a 110,000-square-foot, $200 million expansion to the Mayo Clinic Proton Beam Therapy Program in Rochester.
Mayo Clinic is announcing a 110,000-square-foot, $200 million expansion to the Mayo Clinic Proton Beam Therapy Program in Rochester.