Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is noted with single lead terminating in the right ventricle . The heart size is mildly enlarged . The aorta remains tortuous . The pulmonary vascularity is normal and the lungs are clear . No pleural effusion or pneumothorax is seen . There are mild to moderate multilevel degenerative changes noted in the thoracic spine . Partially imaged is a surgical anchor projecting over the left humeral head .
    OUTPUT:
    
No acute cardiopulmonary abnormality .