Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are chronic emphysematous changes in the lungs with persistent scarring at the left apex similar to the prior study . There is no evidence of focal infiltrate to suggest pneumonia . There is no pleural effusion or pneumothorax . Heart size is normal . The mediastinal hilar contours are normal . The aorta is calcified . There are surgical clips in the left axilla . Surgical clips also project in the right upper quadrant .
    OUTPUT:
    
1 . No evidence of pneumonia or other acute cardiopulmonary abnormality . 2 . Emphysema .