Table 1 Characteristics of ESCC patients enrolled in the study
Clinicopathologic characteristics | Case distribution |
|---|---|
Age (median) | 37–75 (62) |
Gender | |
 Male | 18 |
 Female | 12 |
Grade of differentiation | |
 Well | 10 |
 Moderate | 13 |
 Poorly | 7 |
Degree of tumor invasion | |
 Submucosa | 6 |
 Muscularis propria | 11 |
 Adventitia | 13 |
Lymph node metastasis | |
 Negative | 14 |
 Positive | 16 |