Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , suggestive of COPD . A focal patchy opacity in the right upper lung field projecting over the right fifth posterior rib is noted . Remainder of the lungs are clear . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax . Degenerative changes of the thoracic spine are noted . No subdiaphragmatic free air .
    OUTPUT:
    
No subdiaphragmatic free air . Focal patchy opacity in the right upper lung field is non-specific , but pneumonia is not excluded in the correct clinical setting .