Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate relative lucency of the apices consistent with emphysema . There is no focal consolidation , pleural effusion , or pneumothorax . Chronic blunting of the right costophrenic angle is similar to priors . The cardiac silhouette and mediastinal contours are normal .
    OUTPUT:
    
Emphysema , without acute chest abnormality .