Table 3.

Cystatin A and cathepsin B expression in 20 resected specimens of pancreatic ductal adenocarcinoma tumor tissue and infiltrating inflammatory cells

Case no.	Age, years	Gender	Degree of inflammation	Stage	T category	N category	CRP, mg/dL	CEA, ng/mL	CA19‐9, U/mL	Cathepsin B	Cathepsin B	Cathepsin B	Cystatin A	Cystatin A	Cystatin A
										Tumor	Ductal epithelium	TIIC	Tumor	Ductal epithelium	TIIC
1	71	F	Mild	II B	3	1	0.2	2.2	157	+	−	>100	−	−	0
2	57	M	Moderate	II B	3	1	0.1	4.3	293	+	−	>100	−	−	0
3	61	F	Severe	II B	1	1	0.0	2.5	17	+	+	>100	−	−	>100
4	54	F	Mild	II B	3	1	0.1	<2.0	54	+	−	15	+	−	<10
5	70	F	Mild	II B	3	1	0.0	<2.0	90	+	−	62	−	−	>100
6	66	M	Moderate	II B	3	1	0.1	2.8	56	−	−	>100	+	−	>100
7	60	F	Moderate	II B	3	1	0.5	30.1	649	+	−	35	−	−	45
8	78	M	Moderate	II A	3	0	0.5	4.5	23	+	−	<10	+	−	<10
9	77	M	Moderate	II A	3	0	0.5	<2.0	187	+	−	39	−	−	<10
10	57	M	Moderate	II B	3	1	0.1	<2.0	402	−	−	25	−	−	14
11	65	M	Moderate	II B	3	1	0.9	4.2	292	−	−	31	+	−	<10
12	68	F	Severe	II B	3	1	2.7	<2.0	50	+	−	>100	−	−	45
13	62	M	Mild	II A	3	0	0.0	<2.0	57	+	+	55	−	−	38
14	65	M	Moderate	II A	3	0	0.0	3.4	184	+	−	18	−	−	<10
15	59	F	Mild	II A	3	0	0.1	<2.0	18	−	−	33	−	−	13
16	66	M	Moderate	II A	3	0	0.1	3.2	9	+	−	<10	−	−	0
17	70	M	Moderate	II B	3	1	0.1	1.5	85	+	−	22	+	−	0
18	57	F	Moderate	II A	3	0	0.1	4.9	7	+	−	43	−	−	0
19	63	M	Mild	I B	2	0	0.9	2.5	<1	+	+	35	−	−	46
20	64	F	Moderate	II A	3	0	0.0	2.7	33	−	−	>100	−	−	<10

CA19‐9, cancer antigen 19‐9; CEA, carcinoembryonic antigen; CRP, C‐reactive protein; F, female; M, male; TIIC, Tumor infiltrating immune cells.