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 . The patient is status post median sternotomy , aortic valve replacement , and CABG . Cardiac silhouette size is normal . The aorta is tortuous and diffusely calcified . Mediastinal and hilar contours are unchanged with fullness of the right superior mediastinal contour compatible with a thyroid goiter . There is no pulmonary edema . Linear opacity within the left lung base likely reflects scarring , and appears unchanged . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormality is detected . Mild loss of height of a mid thoracic vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .