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
Most common oncogene involved in pancreatic carcinoma is: 
Select and explain. 
A. P53, B. K-RAS, C. APC, D. DCC
B: K-RAS
Answer: B: K-RAS 
Explanation: Ans. (b) K-RASRef: Sabiston's Textbook of Surgery, 20th ed p-1543* As per Sabiston 95% cases have K ras mutation and 90% cases have P16 mutation.