Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable upright chest radiograph ___ at 14 :00 is submitted .
    OUTPUT:
    
Interval removal of the right chest tube . No pneumothorax is seen . Improved aeration at the right lung base with residual subsegmental atelectasis . No evidence of pulmonary edema . Overall cardiac and mediastinal contours are stable . Minimal residual subcutaneous emphysema in the right lateral chest wall .