Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . A small calcification projecting over the left upper lung is most consistent with a granuloma . The lungs appear otherwise clear . S - shaped thoracolumbar curvature is again noted .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .