Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates a small apical pneumothorax on the left and a likely loculated lateral left - sided hydro-pneumothorax . Stable appearing interstitial abnormality in the right lung may represent pulmonary edema versus dissemination of tumor . Again seen is a discrete metastatic mass in the right upper lobe .
    OUTPUT:
    
Small left - sided apical pneumothorax and loculated lateral left - sided hydropneumothorax .