Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrates biapical pleural parenchymal scarring , right greater than left . The lungs are hyperinflated with emphysematous changes . There is no focal opacity convincing for pneumonia . Cardiomediastinal and hilar contours are within normal limits . There is no evidence of pulmonary edema , pneumothorax , or pleural effusion . Imaged osseous structures are without an acute abnormality . Upper abdomen is unremarkable .
    OUTPUT:
    
Biapical pleural parenchymal scarring , right greater than left . No focal opacity convincing for pneumonia . Emphysematous changes .