Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post prior median sternotomy . No focal consolidation is identified . There is a persisting haziness at the right lung base which may reflect a small layering pleural effusion , however an infectious process in this location is still a possibility . No new consolidations . No pneumothorax . The size the cardiac silhouette is enlarged but unchanged .
    OUTPUT:
    
No focal consolidation is identified . There is a persisting haziness at the right lung base which may reflect a small layering pleural effusion , although an underlying infectious process can not be excluded . Further evaluation with a PA and lateral chest radiograph could be considered .