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': 'Cullen Sign is a feature of \nSelect and explain. \nA. Hemorrhagic pancreatitis, B. Liver trauma, C. Ectopic pregnancy, D. Cirrhosis liver', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) hemorrhagic pancreatitisRef: Bailey and Love 27th edition Page 1222* Cullen sign: Hemorrhagic Pancreatitis causing Pigmentation in Umbilicus* Grey turner sign: Hemorrhagic Pancreatitis causing Pigmentation at Loin* Fox sign: Hemorrhagic pancreatitis causing pigmentation in Inguinal region.', 'role': 'assistant'}]