Table 3. Patients with early-stage pancreatic cancer.

Age	Sex	Tumor diameter (mm)	Tumor location	Pathology	ly	v	p Stage	CEA (ng/ml)	CA19-9 (U/ml)	Preoperative	Postoperative	Postoperative index − Preoperative index Δ index (×10)	Preoperative	Postoperative	Postoperative index − Preoperative index Δ index (×100)	Days after operation for postoperative sampling
										N-NOSE index (×10)	N-NOSE index (×10)		N-NOSE index (×100)	N-NOSE index (×100)
74	F	4	Ph	Carcinoma in situ	0	0	0	4.8	16.3	0.044	−0.036	−0.080*	0.016	−0.015	−0.031*	33
67	F	8	Pb	Carcinoma in situ	0	0	0	0.8	2.5	−0.028	−0.051	−0.023*	0.004	0.003	−0.001*	85
84	F	13	Pb	Carcinoma in situ	0	0	0	1.4	7.8	0.020	−0.055	−0.075*	0.048	0.002	−0.046*	38
66	M	10	Ph	Poorly differentiated	0	0	IA	3.0	18.4	−0.015	−0.004	0.011	0.050	−0.039	−0.089*	42
82	F	18	Ph	Moderately differentiated	0	2	IA	3.6	50.8*	−0.021	−0.031	−0.010*	−0.038	−0.063	−0.025*	41
66	F	10	Ph	Moderately differentiated	0	0	IA	3.4	24.0	0.049	0.090	0.041	0.047	−0.021	−0.068*	27
76	M	16	Ph	Moderately differentiated	0	0	IA	4.7	58.0*	0.048	−0.095	−0.143*	−0.078	−0.073	0.005	84
69	F	18	Ph	Moderately differentiated	1	1	IA	1.7	18.9	−0.038	−0.035	0.003	0.001	0.059	0.058	41
71	M	10	Ph	Well differentiated	0	0	IA	3.8	15.0	−0.045	0.020	0.065	0.123	0.124	0.001	35
58	M	10	Pb	Well differentiated	0	0	IA	3.9	2.0	−0.028	0.009	0.037	−0.055	0.008	0.063	34
64	F	2	Ph	Well differentiated	0	0	IA	2.0	41.0*	0.003	0.093	0.090	0.149	0.237	0.088	84

Abbreviations: Ph: pancreatic head; Pb: pancreatic body; ly: lymph node invasion; venous invasion; pStage, pathological stage. According to the pancreatic cancer database of the Japanese Pancreas Society (http://www.suizou.org/english/index.htm), classification is shown: ly, lymph node invasion; venous invasion; pStage, pathological stage. ^*Patients determined to be positive.