Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . Pulmonary hila appear prominent bilaterally . Interval decrease in size of small bilateral pleural effusions , left greater than right , with associated improving bibasilar atelectasis . . There are no acute osseous abnormalities .
    OUTPUT:
    
Slight improvement in small pleural effusions and accompanying basilar atelectasis . No new foci of consolidation to suggest the presence of pneumonia . Prominent hilar contours may reflect prominent pulmonary vascularity or hilar lymphadenopathy in this patient with a history of hepatocellular carcinoma . Recommendation : If warranted clinically , contrast - enhanced chest CT could be obtained for further characterization of the hilar structures .