Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual lead left - sided pacemaker is again seen with leads extending the expected positions of the right atrium and right ventricle . The cardiac and mediastinal silhouettes are stable . Areas of linear atelectasis are seen in the bibasilar regions . No pleural effusion or pneumothorax is seen . No definite focal consolidation is seen .
    OUTPUT:
    
Areas of bilateral basilar linear atelectasis without focal consolidation . No significant interval change .