Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Prominence of the hila is stable to slightly increased consistent with vascular congestion and enlargement of the pulmonary arteries . Right perihilar opacity is slightly more prominent as compared the prior study , which could relate to differences in patient position or underlying pneumonia and / or lymphadenopathy . No large pleural effusion or pneumothorax is seen . Bibasilar atelectasis / scarring is noted . Partially imaged thoracolumbar hardware is again noted . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Prominence of the hila is stable to slightly increased consistent with vascular congestion and enlargement of the pulmonary arteries . Right perihilar opacity is slightly more prominent as compared the prior study , which could relate to differences in patient position or underlying pneumonia and / or lymphadenopathy . No large pleural effusion or pneumothorax is seen . Bibasilar atelectasis / scarring is noted . Partially imaged thoracolumbar hardware is again noted . Cardiac and mediastinal silhouettes are stable .