Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Triple lead right - sided pacer device is stable in position . The patient is status post median sternotomy and CABG . The cardiac and mediastinal silhouettes are stable . There is significant increase in bibasilar reticular opacities which could be due to chronic lung disease however , superimposed infection is difficult to entirely excluded in the appropriate clinical setting . Blunting of the left costophrenic angle is seen and there may be a trace pleural effusion versus pleural thickening .
    OUTPUT:
    
Interval increase in bibasilar reticular opacities which may be due to worsening of chronic interstitial lung disease , but superimposed infection may be present .