Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Due to an error in PACS , this study is being interpreted on ___ . Left - sided dual - chamber pacemaker device is noted with leads terminating in the right atrium and right ventricle , unchanged . Mild cardiomegaly persists . The aorta is tortuous and calcified . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is demonstrated . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .