Table 3.

Immunohistochemical staining of tissue

(Peri)Pancreatic disease	Staining intensity	Carcinoma or pancreatitis	Normal pancreas
Chronic pancreatitis (n = 7)	0	2 (29)	3 (75)
Normal pancreas (n = 4)	1	1 (14)	1 (25)
	2	3 (43)	0 (0)
	3	1 (14)	0 (0)
Pancreatic carcinoma (n = 27)	0	3 (11)	12 (71)
Normal pancreas (n = 17)	1	5 (19)	4 (24)
	2	9 (33)	1 (6)
	3	10 (37)	0 (0)
Distal cholangiocarcinoma (n = 8)	0	0 (0)	2 (40)
Normal pancreas (n = 5)	1	1 (13)	1 (20)
	2	2 (25)	2 (40)
	3	5 (63)	0 (0)
Ampullary carcinoma (n = 9)	0	3 (33)	4 (50)
Normal pancreas (n = 8)	1	2 (22)	3 (38)
	2	2 (22)	1 (13)
	3	2 (22)	0 (0)
Carcinoma other (n = 5)	0	4 (80)	1 (50)
Normal pancreas (n = 2)	1	1 (20)	1 (50)
	2	0 (0)	0 (0)
	3	0 (0)	0 (0)
Benign (n = 8)	0	4 (50)	4 (80)
Normal pancreas (n = 5)	1	4 (50)	1 (20)
	2	0 (0)	0 (0)
	3	0 (0)	0 (0)