Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post tricuspid valve annuloplasty with midline sternotomy wires visualized . Calcifications are seen along the aortic arch . There are increased perihilar and bibasilar opacities with ___ B lines compatible with mild pulmonary edema . Prominence of bibasilar opacities likely due to underlying emphysema . There is no focal area of increased consolidation . There is no pleural effusion or pneumothorax . The visualized osseous structures are grossly unremarkable .
    OUTPUT:
    
Mild pulmonary edema in the background of underlying emphysema .