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
[{'content': 'Which investigation is used to assess the resectability of CA Pancres? \nSelect and explain. \nA. Contrast enhanced CT Scan, B. MRI abdomen, C. USG, D. ERCP', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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", 'role': 'assistant'}]