Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . Previously seen opacities at the left mid and lower lung zones have resolved . There is no new consolidation , pneumothorax , or pleural effusion . Barium contrast is seen within the stomach and proximal small bowel .
    OUTPUT:
    
Resolved left mid and lower zone opacities .