. 2019 Feb 1;10(10):1149–1159. doi: 10.18632/oncotarget.26646

Table 4. Clinicopathological characters.

Age, years
	<65	107
	≥65	134
Gender
	Male	144
	Female	97
Pathologic tumor status
	T1a/1b/1c	1/0/17
	T2	133
	T3	90
	T4	0
Pathologic node status
	N0	61
	N1	91
	N2	89
Pathologic metastasis status
	M0	213
	M1	28
Stage
	IA	13
	IB	34
	IIA	14
	IIB	89
	III	63
	IV	28
Tumor grade
	Grade 1	32
	Grade 2	163
	Grade 3	46
Nerve plexus invasion^a
	Absence	86
	Presence	155
Lymphatic invasion^a
	0, 1	66
	2, 3	175
Venous invasion^a
	0, 1	62
	2, 3	179
Intrapancreatic neural invasion^a
	0, 1	80
	2, 3	161
Tumor margin status
	Negative	160
	Positive	81
Adjuvant chemotherapy
	Negative	184
	Positive	57
Total		241

^aClassified according to the classification of pancreatic carcinoma of Japan Pancreas Society.