Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . This patient is known to have severe emphysema which accounts for the hyperinflation and lucent appearing lungs . There are clips projecting over the right breast with asymmetric breast size likely reflecting prior partial right lumpectomy . An area of scarring in the right upper lung is stable and better assessed on the prior ct chest from ___ . No convincing signs of pneumonia or overt CHF . Subtle prominence of the left pulmonary hilar bronchovasculature may be related to AP portable technique . No pleural effusion or pneumothorax is seen . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact .
    OUTPUT:
    
COPD / emphysema with stable scarring in the right upper lung . No convincing signs of pneumonia or overt CHF .