Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . The lungs are hyperinflated with flattening of the hemidiaphragms and prominence of the retrosternal clear space , compatible with COPD . The previous medial right lung base opacity is resolved . The upper abdomen is unremarkable in appearance . The visualized osseous structures are within normal limits with mild degenerative changes in the thoracic spine .
    OUTPUT:
    
1 . Resolution of right lower lobe pneumonia . 2 . Overinflation with additional findings compatible with COPD .