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: Radiology
[{'content': 'Spleenic injury is diagnosed on X–ray by – a) Half stomach shadowb) Obliteration of spleenic shadowc) Rib fractured) Gas under diaphragm \nSelect and explain. \nA. a, B. c, C. bc, D. ad', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Signs of spleenic rupture on plain X-ray are :- Obliteration of spleenic outline, loss of psoas outline, fracture of lower ribs on left side, elevation of left hemidiaphragm, indentation of gastric air bubble.', 'role': 'assistant'}]