Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . The lungs appear clear . There are no pleural effusions or pneumothorax . Mild rightward convex curvature is again centered along the upper thoracic spine . Cholecystectomy clips project over the right upper quadrant of the abdomen . Bony structures are unremarkable otherwise .
    OUTPUT:
    
No evidence of acute disease .