Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size appears mild to moderately enlarged , increased compared to the previous radiograph . Mediastinal and hilar contours are unchanged . The pulmonary vasculature is not engorged . No focal consolidation is identified . Blunting of the right costophrenic angle suggests a trace pleural effusion . No pneumothorax is seen with scarring noted at the lung apices . There are mild degenerative changes noted in the thoracic spine .
    OUTPUT:
    
1 . Increased size of the cardiac silhouette compatible with a history of pericardial effusion . Correlation with echocardiogram is recommended . 2 . Trace right pleural effusion .