SAN FRANCISCO, June 07, 2024 (GLOBE NEWSWIRE) -- GK Financing LLC (GKF), a subsidiary of American Shared Hospital Services (NYSE:AMS), a leading provider of turnkey technology solutions for advanced radiosurgery and radiation oncology services, announced today that it has extended its current agreement with PeaceHealth Sacred Heart Medical Center at RiverBend in Springfield, Ore. The new agreement will see the center upgrade its existing Gamma Knife® Perfexion™ system with Esprit, Elekta's newest Gamma Knif ...