Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left sided dual - chamber pacemaker device is noted with leads terminating in the right atrium and right ventricle , unchanged . The cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .