Siteman Cancer Center at Barnes-Jewish Hospital and Washington University School of Medicine is expanding proton therapy for patients by adding the latest, most innovative technology to its S. Lee Kling Proton Therapy Center with the addition of a second MEVION S250i Proton Therapy System® with HYPERSCAN® pencil beam scanning technology and Adaptive Aperture® pMLC.
Proton therapy expansion
![](https://radonc.wustl.edu/files/2022/10/20221007_Siteman_Proton_Hyperbeam_6046_web.jpg)
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