This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Surgery
[{'content': 'Flank discoloration seen in this patient admitted with Pancreatitis is \nSelect and explain. \nA. Grey turner sign, B. Cullen sign, C. Kehr sign, D. Klein sign', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Grey turner sign* Skin discoloration seen in the loin in cases of hemorrhagic pancreatitis is grey turner sign* Cullen sign is pigmentation around Umbilicus.', 'role': 'assistant'}]