Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , the opacity in the medial right upper hemithorax has improved , most consistent with improving right middle lobe collapse . Otherwise , no significant interval change . Stable elevation of the right hemidiaphragm status post right upper lobectomy . Stable cardiomediastinal silhouette . The left lung is clear . No pneumothorax , focal consolidation to suggest pneumonia , pulmonary edema , or pleural effusion . The bilateral calcified pleural plaques are unchanged .
    OUTPUT:
    
1 . Improving right middle lobe atelectasis since ___ . CT scan would be needed to assess the patency of the right middle lobe bronchus , . 2 . Otherwise , no significant change . 3 . Stable bilateral calcified pleural plaques consistent with asbestos exposure .