Mevion Medical Systems, the global leader in compact proton therapy, today announced that the MEVION S250-FIT Proton Therapy System has successfully completed the conformity assessment process and has received CE Marking under Regulation (EU) 2017/745 (EU MDR). This regulatory milestone enables the marketing, sale, and clinical use of the MEVION S250-FIT system throughout the European Union, building on the system’s existing U.S. FDA 510(k) clearance granted in September 2025. The MEVION S250...