Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided chest tube with near resolution of the moderate right - sided pneumothorax and re-expansion of the right lung , with only a small residual pneumothorax at the apex . Opacity is seen in the right lung , likely reflecting known postradiation changes . The left lung is well expanded and clear . There is no pleural effusion . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Interval placement of right - sided chest tube with near resolution of the moderate right - sided pneumothorax ; re-expansion of the right lung , with only small residual pneumothorax .