Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary edema . Cardiac silhouette is moderately enlarged . There are small bilateral pleural effusions . Hilar silhouette is exaggerated by decreased lung volume but otherwise unremarkable and similar compared to ___ . Left pectoral pacemaker has its leads terminating at right atrium and right ventricle . Prosthetic heart valve is noted . Sternotomy wires are intact .
    OUTPUT:
    
Unremarkable hilar contour . Mild pulmonary edema .