Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The cardiomediastinal silhouette and the hilar contour is stable . Previously appreciated consolidation which blurred the right heart border is mildly improved on today 's study . The lungs are otherwise without effusion or pneumothorax . There is no subdiaphragmatic free air to suggest pneumoperitoneum . No acute bony changes identified .
    OUTPUT:
    
Right middle lobe pneumonia mildly improved from prior radiograph .