Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again is seen a right - sided central venous catheter with its tip in the upper portion of the right atrium . The patient is slightly rotated to the left . The cardiomediastinal contours are within normal limits . The lungs are clear , although there is elevation of the right hemidiaphragm , likely exaggerated by patient positioning . There is no large pleural effusion or pneumothorax . Opacity of the visualized abdomen suggests ascites .
    OUTPUT:
    
No acute cardiopulmonary process ; possible ascites .