Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal contours appear unremarkable . The right hilus is prominent , likely reflecting vascular structures , but lymphadenopathy can also be present . The lungs demonstrate minimal bibasilar and lingular atelectasis as well as mild pulmonary vascular congestion . No large pleural effusion or pneumothorax is present . Clips in the right upper quadrant are compatible with prior cholecystectomy .
    OUTPUT:
    
Bibasilar atelectasis and mild pulmonary vascular congestion . Enlarged right hilum .