Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Areas of prior opacity in the left lower lobe and right mid lung have resolved . The lungs are well expanded and clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Left lower lobe and right mid lung opacities have completely resolved .