TABLE 4.

Cambridge classification of chronic pancreatitis using endoscopic retrograde cholangiopancreatography

Class	Definition
0 – Normal	Visualization of entire duct system with uniform filling of side branches without acinar opacification, with a normal main duct and normal side branches
1 – Equivocal	Normal main duct
	1–3 abnormal side branches
2 – Mild	Normal main duct
	>3 abnormal side branches
3 – Moderate	Dilated main duct with irregularity
	>3 abnormal side branches
	Small cysts (<10 mm)
4 – Marked or severe	Large cysts (>10 mm)
	Gross irregularity of main pancreatic duct
	Intraductal calculus or calculi
	Stricture(s)
	Obstruction with severe dilation

Data from reference 12