Table 1.

Patient demographic and clinical characteristics.

Characteristics	Summary
No. of patients	310
Age (year)
Range	34 – 90
Median	66
Gender
Female	112 (36.13%)
Male	198 (63.87%)
Follow-up (month)
Range	0.1 – 124
Median	14.77
Death	116 (37.42%)
TNM staging
Stage I	43 (13.87%)
Stage II	104 (33.55%)
Stage III	134 (43.23%)
Stage IV	29 (9.35%)
Tumor grade
G1	5
G2	105
G3	200