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 is not an etiological factor for pancreatitis? 
Select and explain. 
A. Abdominal trauma, B. Hyperlipidemia, C. Islet cell hyperplasia, D. Germline mutations in the cationic trypsinogen gene
C: Islet cell hyperplasia
Answer: C: Islet cell hyperplasia 
Explanation: Ans. c. Islet cell hyperplasiaGallstones including microlithiasis (MC). Alcohol (2"d MC). Hyperiglyceridemia. ERCPO. Blunt abdominal trauma