Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild to moderate enlargement of cardiac silhouette , unchanged . The aorta demonstrates calcified atherosclerotic disease and remains tortuous . There is mild upper zone vascular redistribution , similar to the previous study compatible with mild pulmonary vascular congestion . No focal consolidation or pneumothorax is visualized . Blunting of the costophrenic angles posteriorly on the lateral view is possibly reflective of trace bilateral pleural effusions . Multilevel degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular congestion with possible trace bilateral pleural effusions .