Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , the upper and middle lobe consolidation pneumonia has improved but is still clearly visible . The cardiomediastinal silhouette and hila are normal . There is a small right effusion . Mild edema and left upper lobe atelectasis are stable . No pneumothorax .
    OUTPUT:
    
Interval improvement of the right middle and upper lobe pneumonia .