Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs . Left pectoral pacemaker leads terminate in standard positions . The lungs are clear . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . Lateral view is limited due to patient 's inability to lift the left arm .
    OUTPUT:
    
No acute cardiopulmonary process .