Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . The lungs appear clear . The vertebral body heights and interspaces appear preserved . No fracture is identified . Cholecystectomy clips project over the right upper quadrant .
    OUTPUT:
    
No evidence of acute disease or injury .