Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the chest radiographs obtained 6 days prior , there is a mild , right apical pneumothorax without tension , a right - sided chest tube , ipsilateral subcutaneous emphysema , and bilaterally decreased lung volumes status - post open right upper lobectomy . Low left lung volumes increase interstitial markings , but there is probably also mild pulmonary edema . Heart size is top normal .
    OUTPUT:
    
New , mild , right apical pneumothorax status - post right upper lobectomy and chest tube placement . Mild pulmonary edema .