HU Proton Therapy Institute – Treating Cancer with Proton Therapy The Hampton University Proton Therapy Institute is the eighth proton facility in the U.S. With a team of experienced radiation oncologists and technicians, HUPTI treats prostate, breast, brain, head and neck, pediatric, GI, pancreatic, lung, and other cancers with proton therapy. Proton therapy is considered the most precise form of cancer treatment to date, as it targets the tumor with millimeter accuracy, sparing surrounding healthy tissue.