Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the left pigtail catheter has been removed . Aeration of the left lobe has decreased with volume loss and increased left pleural effusion . An opacity at the left pleura is probably fluid in the fissure , less likely a mass or infection . A right pleural effusion is unchanged . No pneumothorax . Cardiac silhouette is difficult to evaluate given the effusions . Aortic knob calcifications are again seen . There is marked scoliosis of the thoracic spine .
    OUTPUT:
    
1 . Interval increase in left pleural effusion with left lower lobe volume loss . Supervening infection can not be excluded . 2 . Left pleural opacity is likely fluid in the fissure , less likely mass or infection . Follow up radiograph is recommended . Findings discussed with Dr . ___ by phone at 12 :07 pm ___ .