Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , as before . Heart size is normal and unchanged . There is a left chest pacemaker with electrode in the right ventricle . There is mitral annular calcification . The patient is status post TAVR . There is calcification of the aorta , indicating atherosclerosis . The mediastinal and hilar contours are unchanged . The pulmonary vasculature is normal . Lungs are clear , except for apical scarring . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . There are degenerative changes of the visualized spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .