Table 1.

Clinicopathologic characteristics of ESCC patients

Characteristics		Number of Case
Gender	Male	41
	Female	22
Age	≤ 60	38
	> 60	25
Differentiation	High	17
	Moderate	28
	Low	18
Tumor status	T1	15
	T2	22
	T3	21
	T4	5
Lymph node status	N0	29
	N1	34
TNM stage	I	7
	II	37
	III	17
	IV	2
Smoking	Yes	35
	No	28
Alcohol drinking	Yes	38
	No	25