Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacer device is noted with leads terminating in the right atrium , right ventricle , and region of the coronary sinus , unchanged . The heart size remains mildly enlarged . The aorta is slightly tortuous with atherosclerotic calcifications noted at the aortic knob . Pulmonary vasculature is normal . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .