Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear stable . Mild prominence of each hilum likely reflects mildly prominent bilateral lymph nodes , as seen on the prior CT from ___ . The radiographic appearance is stable . The lungs show mild hyperinflation . There is similar slight blunting of the right posterior costophrenic sulcus , but no definite pleural effusions . Mild rightward convex curvature is centered along the lower thoracic spine .
    OUTPUT:
    
No evidence of acute disease .