Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear unchanged . Patchy nodular opacities in the upper lungs suggest scarring , which is unchanged . A small granuloma projects over the left upper lobe and additional smaller granulomas are also suspected in the vicinity . There is no pleural effusion or pneumothorax . Minimal degenerative changes are noted along the mid thoracic spine .
    OUTPUT:
    
No evidence of acute disease .