Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac and mediastinal contours remain moderately enlarged , and underlying mediastinal lymphadenopathy as detected on the prior chest CT can not be excluded . There is mild pulmonary vascular engorgement . Chronic interstitial abnormality within the periphery of both lungs likely reflects UIP . Assessment for pleural effusion is limited , but no large pleural effusion is detected . No pneumothorax is noted . There is likely mild bibasilar atelectasis . No acute osseous abnormality is seen .
    OUTPUT:
    
Mild pulmonary vascular engorgement on a background of chronic interstitial lung disease previously characterized as UIP .