Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As before , the lungs are hyperinflated , consistent with COPD . Minimal blunting of the right costophrenic angles is noted , without gross effusion . There is free air beneath the diaphragms , consistent with recent abdominal surgery . Possible minimal bibasilar atelectasis . No focal infiltrate or consolidation identified . No CHF . No pneumothorax detected . Incidental note made of degenerative changes , most pronounced in the mid thoracic spine . There is mild anterior wedging of ___ mid thoracic vertebral bodies , that does not appear acute .
    OUTPUT:
    
Hyperinflation consistent with COPD . No significant no consolidation or significant effusion . Minimal bibasilar atelectasis and possible tiny bilateral effusions . Small amount of free air seen beneath the diaphragm , consistent with recent abdominal surgery .