Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . The left Pleurx catheter appears unchanged in position however the tip is not visualized . The small left pleural effusion is unchanged . Low lung volumes . Bibasilar atelectasis . No focal consolidation . The cardiomediastinal hilar contours are normal .
    OUTPUT:
    
Unchanged left pleural effusion . Low lung volumes and bibasilar atelectasis . No significant change from ___ .