Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are within normal limits . Lungs are hyperinflated with flattening of the diaphragms and relative paucity of the pulmonary vascular markings towards the apices compatible with emphysema . Scarring within the right apex is unchanged . No focal consolidation , pleural effusion or pneumothorax is present . The pulmonary vasculature is not engorged . There are no acute osseous abnormalities .
    OUTPUT:
    
Emphysema . No acute cardiopulmonary abnormality otherwise demonstrated .