Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest demonstrates interval removal of right - sided chest tube . Large right pneumothorax is unchanged . Heterogeneous opacity in the right lung base likely represents atelectasis , stable . Right costophrenic angle is not included in this study . Left lung remains well expanded without pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema . Right internal jugular central venous catheter projects over mid SVC . Fixation hardware for several right sided fractured ribs are again noted .
    OUTPUT:
    
Persistent large right pneumothorax following right chest tube removal .