Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aorta is mildly tortuous with of the scarring of calcifications . Hilar contours are normal . Lungs are hyperexpanded with a widened AP diameter and mild flattening of the hemidiaphragms suggestive of emphysema . Lungs are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process ; specifically , no evidence of pneumonia . Lung hyperexpansion suggestive of emphysema / COPD . Results were discussed of the telephone with Dr . ___ by ___ at 10 : 53 on ___ at time of initial review .