Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrates slight decrease in size of the severely enlarged cardiac silhouette . Persistent small bilateral pleural effusions . Probable small hiatal hernia . There is persistent mild pulmonary vascular congestion . Clear lungs . No pneumothorax .
    OUTPUT:
    
Decrease in severe enlargement of the cardiac silhouette likely due to decrease in pericardial effusion with persistent small effusions and pulmonary vascular congestion . No pneumonia