Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded lungs . Stable scarring in the left midlung zone is unchanged . The cardiomediastinal and hilar contours are unchanged . No pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
Expected postoperative appearance without evidence of acute cardiopulmonary process .