Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is no focal consolidation or pneumothorax . There is no vascular congestion or pleural effusions . Cardiomediastinal and hilar contours are within normal limits . There is unchanged elevation of the right hemidiaphragm . Surgical clips are seen in the right upper quadrant . A focal hyperdensity just to the left of the lower thoracic spine is unchanged compared to multiple prior examinations and could reflect a bullet fragment .
    OUTPUT:
    
No acute cardiopulmonary process .