Table 1.

Patient Characteristics.

Characteristic	No. of patients	%
Gender
Male	43	66.15
Female	22	33.85
Age(years)
Median	63.5
Range	41-74
ECOG PS
0	53	81.54
1	12	18.46
Site of primary tumor
head	14	21.54
body and tail	51	79.46
Size of primary tumor(cm)
≥5	17	26.15
<5	48	73.85
Histopathological grading
High	9	13.85
Intermediate	32	49.23
low	24	36.92
TNM stage
I	33	50.77
II	20	30.77
III	12	18.46