Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is unchanged , suggestive of mild cardiomegaly . Median sternotomy wires and mediastinal surgical clips are re- demonstrated . The hila are within normal limits . There is central prominence of the pulmonary interstitium and pulmonary vasculature , suggestive of pulmonary vascular congestion . No overt edema . Lungs are mildly hypoinflated . There is no focal lung consolidation . There is no pneumothorax . There may be trace bilateral pleural effusions .
    OUTPUT:
    
Unchanged cardiomegaly and mild pulmonary vascular congestion . No focal lung consolidation . Trace bilateral pleural effusions .