Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is at the upper limits of normal size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . The lungs appear clear . Small anterior osteophytes are present throughout the visualized lower thoracic and upper lumbar spines .
    OUTPUT:
    
No evidence of acute disease . Mildly prominent heart size for age .