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
Balthazar grading is used for acute pancreatitis based on findings on 
Select and explain. 
A. USG, B. CT, C. MRI, D. ERCP
B: CT
Answer: B: CT 
Explanation: CT grading of acute pancreatitis - Balthazar grading.