Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: IABP is 4 cm below top of aortic arch . Femoral Swan - Ganz catheter tip overlies right hilum . Cardiac pacemaker . Bilateral perihilar symmetric pulmonary infiltrates , with sparing of the very periphery of the lungs have mildly worsened , likely represent pulmonary edema , similar appearance can be seen with pulmonary hemorrhage or ARDS , infection . Mildly increased heart size , accentuated by shallow inspiration , similar .
    OUTPUT:
    
Mildly worsened bilateral pulmonary opacities , likely edema .