Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is prominence of the bilateral hila on the left greater than the right with abnormal contours . Patchy airspace opacities in the left lung base corresponding to the lingula on the lateral view may represent infection . There is increased density in the retrocardiac space on the lateral view which may correspond to the right lower lobe . No pleural effusion or pneumothorax is present . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Bibasilar opacities concerning for infection . 2 . Bilateral hilar prominence on the left greater than the right suggests adenopathy . A followup contrast - enhanced CT of the chest is recommended for further evaluation .