Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate hyperexpanded lungs and flattening of the diaphragms consistent with emphysema . Lungs are without a focal consolidation convincing for pneumonia . Cardiomediastinal and hilar contours are stable in appearance relative to prior examination . There is no pneumothorax , pleural effusion , or pulmonary edema . Slight asymmetric differences in densities within the hemithoraces thought likely technical . Osseous structures are without an acute abnormality .
    OUTPUT:
    
Emphysema without a focal consolidation convincing for pneumonia .