Table 8. Detailed clinical information of patients with PC.

Characteristics	Categories	Number
Overall survival median (range, months)		15 (0–87)
Age median (range, years)		62 (38–85)
Tumor location	Head, neck	56
	Body, tail	28
Tumor size (cm)	≤ 3	25
	> 3	59
Tumor differentiation	Well, moderate	57
	Poor	27
Invasion depth	T1 + T2	71
	T3 + T4	13
Lymph nodes metastasis	N0 (negative)	51
	N1 (positive)	33
Distant metastasis	Absent	82
	Present	2
Clinical stage	Early stages (≤ IIa)	49
	Advanced stages (> IIa)	35
Abdominal pain	Absent	38
	Present	46
Jaundice	Absent	69
	Present	15
Nervous invasion	Negative	51
	Positive	33