By: Dan Sperling, MD UPDATE: July 24, 2026 Originally published June 23, 2016 Ten years after we published the blog below, a team of urologists and radiation oncologists from several clinical and academic centers in Spain conducted a thorough review of published literature on proton beam therapy compared to IMRT (Intensity Modulated Radiation Therapy.) Their … Continue reading Proton Beam: A Very Expensive Disappointment