Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lings are mildly hyperinflated . Heart size is normal . Note is made of a unfolding of the thoracic aortic arch with atherosclerotic calcifications of the aortic knob . Hilar contours are normal . There is a small right pleural effusion with adjacent atelectasis .
    OUTPUT:
    
Small right - sided pleural effusion with adjacent right base atelectasis . Mild hyperinflation .