Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The aorta is mildly tortuous . The lungs are clear . There are no pleural effusions or pneumothorax . Moderate anterior osteophytes are noted along the lower thoracic spine where there is also slight leftward convex curvature .
    OUTPUT:
    
No evidence of acute disease .