This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pathophysiology - Neoplasms, Subject name: Surgery
Which investigation is used to assess the resectability of CA Pancres? 
Select and explain. 
A. Contrast enhanced CT Scan, B. MRI abdomen, C. USG, D. ERCP
A: Contrast enhanced CT Scan
Answer: A: Contrast enhanced CT Scan 
Explanation: Ans. is 'a' i.e., Contrast enhanced CT Scan Investigations done in Dancreatic cancera. USGd. Endoscopic U/Sb. CT scanc. ERCPe. Angiographyf. Barium studies - barium meal & hypotonic duodenographyo Contrast enhanced CT scan is the mv. of choice