Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is again seen , similar in position , with leads extending to the expected positions of the right atrium and right ventricle . There are relatively low lung volumes and scattered areas of minor atelectasis . Chain sutures are noted projecting over the right lung base . No discrete focal consolidation is seen . There is no overt pulmonary edema . The cardiac and mediastinal silhouettes are stable . No large pleural effusion or evidence of pneumothorax is seen .
    OUTPUT:
    
No significant interval change .