Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval resolution of the previously demonstrated superior right lower lobe and left mid lung opacities . Redemonstrated is right - sided volume loss and a small pleural effusion , in addition to postsurgical changes seen following right upper and middle lobectomies . Again seen is a posterior right rib resection , stable in appearance . There is no new , focal consolidation , pneumothorax , or pulmonary edema . The heart is normal in size . Mediastinal contours are stable .
    OUTPUT:
    
Resolved opacities of the superior segment of the right lower lobe and left mid lung .