Histological scoring for pancreatitis.

Condition	Score	Description
Edema	0	Absent
	1	Diffuse expansion of interlobular septa
	2	1 + diffuse expansion of interlobular septa
	3	2 + diffuse expansion of interlobular septa
	4	3 + diffuse expansion of intercellular septa
Inflammation (%)	0	Absent
	1	Around ductal margin
	2	In parenchyma (<50 of lobules)
	3	In parenchyma (51–75 of lobules)
	4	In parenchyma (>75 of lobules)
Vacuolization (%)	0	Absent
	1	Periductal (<5)
	2	Focal (5–20)
	3	Diffuse (21–50)
	4	Severe (>50)