Mevion Medical Systems announced a strategic agreement with medPhoton GmbH to integrate ImagingRing, an innovative cone beam computed tomography (CBCT) system for volumetric image guidance, with the Mevion S250i with Hyperscan, Mevion’s pencil-beam scanning proton therapy system. The new CBCT offering will debut at the 36th annual meeting of the European Society for Radiotherapy & Oncology (ESTRO), May 5-9 in Vienna, Austria.