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 . Incidental note is made of an azygos fissure projecting along the medial right upper chest , consistent with a normal variant . There is no pleural effusion or pneumothorax . The chest is hyperinflated . There is slight pleural thickening at the right apex , but no evidence for pneumothorax . There is lordotic curvature along the lower thoracic spine and slight rightward convex thoracic curvature .
    OUTPUT:
    
Hyperinflation . No evidence of acute disease .