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
Which of the following are signs of hemorrhagic pancreatitis 
Select and explain. 
A. Cullen sign, B. Gray turner sign, C. Fox sign, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Hemorrhagic pancreatitis signs -

Cullen sign - discoloration around umblicus
Gray turner sign - discoloration around flanks
Fox sign - discoloration around inguinal region