Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is moderately enlarged , and slightly increased when compared to the prior study , though this may be partially attributable to lower lung volumes . The mediastinal contour is unremarkable . Mild pulmonary edema with small bilateral pleural effusions is new in the interval . Patchy opacities in lung bases likely reflect areas of atelectasis . No pneumothorax is identified . Marked degenerative changes are seen involving both acromioclavicular and glenohumeral joints . Ossification of the anterior longitudinal ligament is seen throughout the thoracic spine .
    OUTPUT:
    
Interval development of mild pulmonary edema and small bilateral pleural effusions .