BLOOMINGTON, Ind. & OKLAHOMA CITY--(BUSINESS WIRE)--ProCure Treatment Centers, Inc., which is developing a network of cancer treatment centers across the United States to deliver FDA approved proton radiotherapy, today announced it has received a $35 million equity investment from Oklahoma City-based McClendon Venture Company, LLC (“MVC”) and several related individuals in Oklahoma City, including Shannon T. Self and John B. Frick. MVC is owned by Aubrey K. McClendon, co-founder, Chairman and Chief Executive Officer of Chesapeake Energy Corporation.