Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is prominence of the central vasculature with small bilateral pleural effusions . Bibasilar opacities are noted on a background of known emphysema . Cardiac silhouette is moderately enlarged , increased from prior . There is no pneumothorax .
    OUTPUT:
    
Findings are most consistent with pulmonary edema ; however , bibasilar opacities could reflect atelectasis or pneumonia / aspiration .