A radiology group whose contract with Florida Hospital is expiring is claiming that patients receiving X-rays, CT scans and other imaging services could experience diminished care. Florida Radiology Associates sent a letter to nearly 2,000 physicians affiliated with Florida Hospital saying images could be "interpreted by unknown entities with unknown credentials at unknown locations." The contract expires on June 3, but Florida Hospital officials say they are negotiating a new, exclusive contract with several "U.S.-based, board-certified, Florida-licensed" radiology groups that would result in no interruption in service.