Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac and mediastinal silhouettes are stable with persistent enlargement of the cardiac silhouette . There is very minimal central pulmonary vascular congestion without overt pulmonary edema . There is possible slight blunting of the posterior costophrenic angles and very trace pleural effusions are difficult to exclude . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
Stable cardiac silhouette . Minimal central pulmonary vascular congestion without overt pulmonary edema . Slight blunting of the posterior costophrenic angles , trace effusion not entirely excluded .