Five years after treating its first patient, Mayo Clinic leads the world in proton beam treatment

Abstract: “We’ve been led down this primrose path of medicine before. Where’s the data? Where are the randomized controlled trials?” said Brownlee, who is a leader of the national health care advocacy nonprofit Lown Institute. “You started building before you had the data.” “Mayo clearly has confidence in this machine. They want to get ahead of the game and they want to command market share,” she said. “There are so many ways $100 million could have been spent, if they cared about the health of their community.”