Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . The lungs are clear . There is no pleural effusion or pneumothorax . The thoracic spine shows no evidence of compression deformity or malalignment and no change from prior exam . Clips in the right upper quadrant of the abdomen are compatible with prior cholecystectomy .
    OUTPUT:
    
No acute cardiothoracic pathology .