Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual - chamber pacemaker leads terminate in the right atrium and right ventricle is again noted . Cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are seen .
    OUTPUT:
    
No acute cardiopulmonary process .