Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette enlargement is likely stable allowing for differences in technique . There is mild pulmonary edema . Bibasilar opacities could reflect atelectasis and pleural effusion , though aspiration or infection have a similar appearance . Median sternotomy wires and abandoned epicardial leads are unchanged .
    OUTPUT:
    
Stable cardiac enlargement with mild pulmonary edema .