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 . A small hyperdense nodular focus projecting over the right lower lung suggests either a granuloma with nipple shadow of doubtful significance . The lungs appear otherwise clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .