Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is normal . The aorta demonstrates diffuse calcifications and mild unfolding . Hilar contours are stable . Previous pattern of pulmonary edema has resolved . Previously noted lingular , left lower , and right middle lobe opacities have nearly essentially resolved . Trace bilateral pleural effusions are present . No pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
Trace bilateral pleural effusions . The previously noted pulmonary edema has resolved , and there is substantial interval improvement in previously noted bibasilar airspace opacities compatible with resolving pneumonia .