Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unchanged . There is mild pulmonary edema , similar compared to the previous exam . Small right pleural effusion is also demonstrated , unchanged . There is no focal consolidation or pneumothorax . No acute osseous abnormalities demonstrated .
    OUTPUT:
    
Mild pulmonary edema and small right pleural effusion , similar compared to the previous study .