Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is normal . The mediastinal and hilar contours are unchanged with diffuse calcification of the thoracic aorta noted . The lungs are hyperinflated with lucency in the lung apices compatible with emphysema . Blunting of the costophrenic angles appears chronic , likely reflects chronic pleural thickening . No pulmonary vascular engorgement is present . There is no focal consolidation . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Emphysema . No radiographic evidence for pneumonia .