Green Health & Wellness Ohio State, Nationwide Children’s Open $100M Proton Therapy Cancer Center – GWC Mag gwcmagJanuary 3, 2024042 views Nationwide Children’s Hospital in Columbus, Ohio, and The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute in Columbus have opened a $100 million proton therapy center. The 55,000-square-foot facility offers comprehensive radiation oncology treatment options for adult and pediatric patients, including conventional and high-dose proton therapy.