Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , findings consistent with underlying chronic obstructive pulmonary disease . However , there is increased consolidation within the right lung base which correlates with opacities on concurrent chest CT concerning for pneumonia . Linear opacities in the left lung base are also increased and may represent infection or possibly subsegmental atelectasis . Mild mediastinal widening corresponds with adenopathy seen on concurrent chest CT . There is no pleural effusion or pneumothorax . Mild generalized vascular engorgement is present , though the heart size is normal .
    OUTPUT:
    
1 . Bibasilar consolidations , right greater than left , likely pneumonia . 2 . Mild mediastinal widening corresponding with adenopathy seen on recent CT . 3 . Mild pulmonary vascular congestion .