Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , postsurgical changes following right middle and lower lobe resection are seen with right basilar atelectasis , retraction of the right hemidiaphragm , and a small right pleural effusion . The left lung is clear . The heart is top normal in size . There is interval resolution of previously noted right pneumothorax . Tracheal shift . . Rib loss .
    OUTPUT:
    
1 . Postsurgical changes following right middle and lower lobe resection with right basilar atelectasis , retraction of the right hemidiaphragm , and small right pleural effusion . No pneumothorax .