WASHINGTON, May 31 -- Sen. Ben Ray Lujan, D-New Mexico, issued the following news release: * * * Lujan, Boozman Champion Greater Access to Radiology Services * Senators Seek Medicare Reimbursement Eligibility for Hospital Radiologist Assistant-Performed Medical Imaging W ASHINGTON - U.S. Senators Ben Ray Lujan (D-NM) and John Boozman (R-AR) introduced legislation to improve Medicare beneficiaries' access to medical imaging services and address the provider shortage that exists nationwide,  more