Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Lung volumes are low . There is no pulmonary edema . Right - sided chest tube is seen in appropriate position . There is no pneumothorax . Surgical sutures chains are again seen in the right midlung , likely from prior wedge resection . Cardiomediastinal and hilar structures are otherwise normal . There is no pleural effusion . Large pneumoperitoneum is seen , not unexpected in the immediate postoperative setting .
    OUTPUT:
    
1 . No pneumothorax . 2 . Large postoperative pneumoperitoneum .