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: Radiology
Most sensitive investigation of pancreatic carcinoma is: 
Select and explain. 
A. Angiography, B. ERCP, C. Ultrasound, D. CT scan
D: CT scan
Answer: D: CT scan 
Explanation: Ans. CT scan