Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is subtle increased density in the right lung base which may have been present on prior radiographs , though is more apparent on the current examination , so pneumonia or potentially residual atelectasis or scarring could be considered . The remainder of the lungs are clear . There is no vascular congestion , edema , or large pleural effusions . Cardiomediastinal and hilar contours are enlarged , though unchanged from prior . There has been interval removal of the left - sided central venous catheter .
    OUTPUT:
    
Subtle right lower lobe opacity which could reflect pneumonia in appropriate clinical circumstance . Dr . ___ communicated the above findings to Dr . ___ at 1 :37 p .m . on ___ .