This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'All of the following are features of splenic rupture on plain X --ray abdomen , EXCEPT: \nSelect and explain. \nA. Obliteration of psoas shadow, B. Obliteration of splenic outline, C. Obliteration of colonic air bubble, D. Elevation of the left hemidiaphragm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: * Features of splenic rupture on plain X-ray abdomen: 1. Obliteration of splenic outline. 2. Obliteration of the psoas shadow. 3. Fracture oflower ribs ofleft side. 4. Free fluid between gas-filled intestinal coils. 5.Elevation of the left hemidiaphragm. Indentation of the gastric air bubble', 'role': 'assistant'}]