Table 3. Detailed characteristics of PDAC patients.

Characteristics	Categories	Number
Gender	Male	56
	Female	32
Age median(range)		62(36-85)
T stage	T1	5
	T2	69
	T3	14
N stage	N0	52
	N1	36
TNM stage	IA	4
	IB	37
	IIA	11
	IIB	36
Primary tumor location	Head and Neck	58
	Body and Tail	30
Lymph vascular invasion	Yes	38
	No	50
Nuclear grade	I	1
	II	72
	III	15
Jaundice	Yes	26
	No	62
Abdominal pain	Yes	49
	No	39