Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable view of the chest demonstrates a collapsed right upper lobe . While the lower lobe is expanded behind it , there still does appear to be an area of apical pneumothorax on the right . A right - sided chest tube terminates at the base . Cardiac size is unremarkable and the left lung is normal . No pleural effusion or evidence of pneumonia . No overt pulmonary edema .
    OUTPUT:
    
Small right apical pneumothorax . Collapsed right upper lobe as seen on a recent PET - CT .