Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The mediastinal and hilar contours are normal . Right lower lobe opacity is improved . Small left apical pneumothorax appears minimally improved . Retrocardiac consolidation appears decreased since yesterday .
    OUTPUT:
    
1 . No new opacities have occurred since yesterday . 2 . Minimally improved pneumothorax .