Table 7. Detailed clinical information of patients in our study.

	Categories	Numbers
Overall survival		14 months, range (1.75–30.00)
Age		62 years, range (31–78)
Gender	Male	63
	Female	31
Tumor site	Head, neck	48
	Body, tail	45
T stage	T1+T2	20
	T3+T4	73
N stage	N0 (negative)	40
	N1 (positive)	53
Metastasis	M0 (absent)	89
	M1 (present)	4
Differentiation	G1	10
	G2	51
	G3	33
Vascular invasion	No	81
	Yes	12
Nervous invasion	No	28
	Yes	65