Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again visualized is a moderate left pleural effusion with underlying atelectasis and / or consolidation . Unchanged linear opacities in the left upper lobe . Right lung is clear . Left - sided pigtail is not visualized on this radiograph . Stable cardiomegaly . Bony thorax is unchanged .
    OUTPUT:
    
Left pigtail not visualized on this radiograph . Overall unchanged left pleural effusion and underlying atelectasis and / or consolidation . Unchanged left upper lobe interstitial markings .