Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacemaker is seen with dual leads in unchanged position . Bilateral pleural catheters are again seen . Blunting of the left costophrenic angle and retrocardiac opacity are similar in appearance to the prior study and consistent with a small left pleural effusion with adjacent atelectasis . There is no pleural effusion seen on the right . The cardiomediastinal and hilar contours are unchanged . There is no evidence of pneumothorax .
    OUTPUT:
    
Small left pleural effusion with adjacent atelectasis is largely unchanged from the prior examination done on ___ . No significant change from the prior examination .