Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a pigtail chest tube catheter within the right lateral lower hemithorax . Previously seen right pneumothorax has decreased in size with a small residual right apical pneumothorax noted . There has been re-expansion of the right lung . Subcutaneous emphysema is noted along the right lateral chest wall along the course of the catheter . Lung volumes are low . The heart size is normal with a left ventricular configuration . The aorta is mildly tortuous . Mediastinal and hilar contours are unremarkable . There is no contralateral shift of the mediastinum . Bibasilar opacities likely reflect atelectasis . Small left pleural effusion may be present .
    OUTPUT:
    
Interval placement of right sided pigtail chest tube catheter with interval reduction in size of the right pneumothorax . Small residual right apical pneumothorax noted .