Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Hazy opacity again projects over the left mid to upper lung as on prior . There is no new confluent consolidation . The cardiac silhouette is enlarged but stable in configuration . No acute osseous abnormality is identified . Increased opacity projecting over one of the posterior costophrenic angles could be due to a small effusion but is not significantly changed since previous exam . The lungs are hyperinflated .
    OUTPUT:
    
No significant interval change since exam several days prior with patchy opacity in the left mid to upper lung . Possible small pleural effusion unchanged .