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