Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal contours are unchanged . There is a enlargement of the hila bilaterally , which again reflects a combination of pulmonary arterial enlargement and lymphadenopathy . Mild pulmonary edema has slightly improved in the interval . No focal consolidation , pleural effusion or pneumothorax is present .
    OUTPUT:
    
Minimal improvement in mild pulmonary edema . Continued enlargement of the hila bilaterally suggestive of a combination of pulmonary arterial enlargement and lymphadenopathy .