Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate hyperinflated lungs . There is increased opacification of the bilateral bases , consistent with bibasilar atelectasis . Cardiomediastinal and hilar contours are unchanged . There is no pleural effusion , consolidation , or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .