Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enteric tube tip is in the mid stomach , new since prior . Improved bilateral perihilar , bibasilar opacities . Sternotomy , valve replacement . Bilateral shoulder arthroplasties . Cardiac pacemaker . Right IJ central line tip near cavoatrial junction . Postoperative changes in the spine , with hardware in place . Degenerative changes spine .
    OUTPUT:
    
Enteric tube tip in the mid stomach . Improved pulmonary opacities .