Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two PA and one lateral chest radiographs were obtained . The lungs are well inflated and clear . Minimal bibasilar atelectasis is present . There is no consolidation , effusion , pneumothorax is present . The heart and mediastinal contour are normal . A surgical drain and biliary stents are visible in the abdomen . There is no free peritoneal air .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumoperitoneum .