Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate interval improvement in the right lower lobe atelectasis seen on the prior study . The lungs are hyperinflated and there is increased anterior - posterior diameter of the chest , consistent with COPD . There is no pneumothorax or pleural effusion . The lungs are clear . The hila and cardiomediastinal contours are normal . Pulmonary vascularity is normal .
    OUTPUT:
    
Interval improvement in right lower lobe atelectasis . No evidence of pneumonia . Chronic findings of COPD .