Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . The lungs are hyperexpanded , consistent with COPD . Lungs are otherwise clear with no focal consolidation , pleural effusion or pneumothorax . Previously identified small ill - defined nodule in the right upper lobe is not appreciable on today 's examination .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .