Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left sided pacemaker device is noted with leads terminating in the right atrium and right ventricle . Mild cardiomegaly is unchanged . The mediastinal and hilar contours are normal . Lungs are clear and the pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .