Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is severely enlarged . The aorta is tortuous . There is mild pulmonary vascular congestion , slightly improved compared to the prior study . Streaky opacity in the retrocardiac region likely reflects atelectasis . Minimal blunting of the costophrenic angles on the lateral view suggests the presence of trace bilateral pleural effusions . No pneumothorax is identified . There are multilevel degenerative changes in the thoracic spine .
    OUTPUT:
    
Cardiomegaly with mild pulmonary vascular congestion and possible trace bilateral pleural effusions .