Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lobe nodule is no longer visible . Band - like opacity seen in right middle lobe is more distinct with chain sutures . Fullness of right hilum is as seen on prior CT . Lungs are fully expanded and otherwise clear , without pleural effusion or pneumothorax . Heart size , mediastinal contour are normal . No bony abnormality .
    OUTPUT:
    
1 . Right upper lobe opacity is no longer visible . 2 . Interval resolution of right pleural effusion .