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
Investigation of choice for diagnosis of Acute Pancreatitis: 
Select and explain. 
A. USG, B. Plain CT scan, C. CT scan with contrast, D. MRI Scan
C: CT scan with contrast
Answer: C: CT scan with contrast 
Explanation: Ans. CT scan with contrast