Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was obtained . A left chest tube remains in place . An inferior pneumothorax is present on the left . Persistent pneumopericardium and pneumopericardium are unchanged . A persistent left lower lobe opacity is again visualized . There is no pleural effusion .
    OUTPUT:
    
1 . Left chest tube in place with a left inferior pneumothorax . 2 . Persistent left lower lobe opacity , likely infectious versus hemorrhage .