Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette appears increased compared to the prior study . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormalities present .
    OUTPUT:
    
Moderate enlargement of the cardiac silhouette , increased compared to ___ . Correlation with echocardiogram is suggested .