Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate left pleural effusion and left lower lobe atelectasis are unchanged and left trans subclavian right atrial ventricular pacer leads , continuous from the left pectoral generator pharyngeal . There is no pneumothorax or mediastinal widening . Right lung is clear .
    OUTPUT:
    
No unfavorable change , stable appearance of the pacer leads and moderate left effusion .