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 small calcified nodule projecting over the anterior right middle lobe is most consistent with a granuloma . Elsewhere , the lungs appear clear . There is minimal rightward convex curvature of the thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .