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 . There is no pleural effusion or pneumothorax . A cluster of tiny calcified granulomas appears unchanged at the left apex . Slight subpleural thickening at each lung apex appears unchanged . Small - to - moderate anterior osteophytes are similar along the lower thoracic spine .
    OUTPUT:
    
No evidence of acute disease .