Patient Characteristics
| Characteristic | Data |
| Male | 15 (100) |
| Mean age ± SD (y) | 68.1 ± 7 |
| Location | |
| Upper | 2 (13.3) |
| Middle | 8 (53.3) |
| Lower | 4 (26.7) |
| Gastroesophageal junction | 1 (6.7) |
| Squamous cell carcinoma | 15 (100) |
| Histologic grade | |
| Well-differentiated | 1 (6.7) |
| Moderately differentiated | 10 (66.7) |
| Poorly differentiated | 1 (6.7) |
| Basaloid | 2 (13.3) |
| Operation type | |
| Ivor-Lewis | 7 (46.7) |
| Ivor-Lewis hybrid | 2 (13.3) |
| 3-hole | 2 (13.3) |
| 3-hole hybrid | 2 (13.3) |
| Transhiatal esophagectomy | 1 (6.7) |
| Esophagocolojejunostomy | 1 (6.7) |
| Total 2-field lymph node dissection | 15 (100) |
Unless otherwise indicated, data are number of patients, with percentages in parentheses.