Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . Hyperexpansion suggests COPD . Mild thoracic scoliosis is unchanged . Hyperdensity overlying the anterior aspect of a lower thoracic intervertebral space likely represents superimposition of structures . Cholecystectomy clips are noted projecting over the right upper quadrant .
    OUTPUT:
    
1 . No evidence of acute cardiopulmonary process . 2 . Hyperexpansion suggesting COPD .