Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided chest tube with tip projecting over the lateral aspect of the right mid lung field . Previously noted right - sided pneumothorax has decreased in size , now appearing small . There is new bandlike linear opacity in the right lung base , compatible with atelectasis . The cardiac and mediastinal contours are unchanged . Left lung remains grossly clear . Subcutaneous emphysema in the right lateral chest wall is new .
    OUTPUT:
    
Interval placement of right - sided chest tube with decreased size of right pneumothorax , now small . Right basilar atelectasis .