Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right pigtail catheter and placement of a right pleural tube , ending near the right lung apex . A previously seen moderate to large lateral and inferior right pneumothorax has resolved . There is minimal bibasilar atelectasis , as before . Mild enlargement of the cardiac silhouette is not significantly changed . Mediastinal contours are normal . There is biapical , right greater than left , pleuroparenchymal thickening / scarring . No definite pleural effusion .
    OUTPUT:
    
1 . No definite residual pneumothorax , status post replacement of a pleural catheter with a larger bore pleural tube . 2 . Unchanged mild cardiomegaly .