Table II.
Relationships between the expression of CA XII and clinicopathological features of pT1 esophageal cancer.
| Variable | CA XII | p-Value | ||
|---|---|---|---|---|
| Low | High | |||
| Score<0.5 | Score≥0.5 | |||
| (n=11) | (n=22) | |||
| Age | <65 years | 4 | 11 | 1.000 |
| ≥65 years | 7 | 11 | ||
| Gender | Male | 10 | 19 | 0.712 |
| Female | 1 | 3 | ||
| Location of the primary tumor | Ut-Mt | 10 | 16 | 1.378 |
| Lt-Ae | 1 | 6 | ||
| Histological type | Well/moderately differentiated SCC | 7 | 18 | 0.392 |
| Poorly differentiated SCC | 4 | 4 | ||
| Tumor size | <50 mm | 10 | 19 | 1.000 |
| ≥50 mm | 1 | 3 | ||
| Lymphatic invasion | Negative | 6 | 15 | 0.471 |
| Positive | 5 | 7 | ||
| Venous invasion | Negative | 5 | 18 | 0.049* |
| Positive | 6 | 4 | ||
| pN | pN0 | 7 | 15 | 1.000 |
| pN1-3 | 4 | 7 | ||
| pStage | I-II | 11 | 19 | 0.534 |
| III-IV | 0 | 3 | ||
Ut: upper thoracic esophagus; Mt: middle thoracic esophagus; Lt: lower thoracic esophagus; Ae: abdominal esophagus; pT: Pathological T stage; pN: pathological N stage; pStage: pathological stage; SCC: squamous cell carcinoma.
*p<0.05: Fisher's exact test.