Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated which could reflect emphysema . No focal consolidation , pleural effusion , pulmonary edema or pneumothorax . Cardiomediastinal silhouette is stable . The aorta is calcified and slightly unfolded . Bilateral apical pleural scarring is unchanged overall . Bones appear grossly intact .
    OUTPUT:
    
Emphysema , no evidence of pneumonia or edema .