Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . The cardiac silhouette remains enlarged . The aorta is tortuous . Right hilar / perihilar opacity is grossly stable since at least ___ . There is moderate pulmonary vascular congestion . No large pleural effusion is seen . There is no evidence of pneumothorax .
    OUTPUT:
    
Pulmonary vascular congestion . Persistent enlargement of the cardiac silhouette .