A 70 year old female patient presents at 2am with vague abdominal pain that woke her up from her sleep. She has vomited once. Her past history includes hypertension and previous laparotomy for appendicectomy. She clearly looks pale and uncomfortable. Her heart rate is 100 and her blood pressure is 100/60 mmHg. You are worried as you have read somewhere that any pain that wakes a patient up at night is sinister. You want to rule out a bowel obstruction and request an abdominal xray. The radiographer has been unable to perform an erect chest and abdominal xray as patient is dizzy when she attempts to sit up. Here is the supine abdominal film. What does it show?