Table I.
Demographic data of patients who were suspected to have a tumor invading the adventitia (T3) without any distant metastasis.
| Characteristic | No. of patients (n=56) |
|---|---|
| Age (years) | 64.3±7.5 |
| Gender | |
| Male | 52 |
| Female | 4 |
| Location | |
| Upper thoracic | 4 |
| Middle thoracic | 27 |
| Lower thoracic | 15 |
| Abdominal esophagus | 10 |
| Histology | |
| SCC | 51 |
| Well | 4 |
| Moderate | 41 |
| Poor | 8 |
| Adenocarcinoma | 3 |
| Tumor depth | |
| pT2 | 6 |
| pT3 | 40 |
| pT4 | 10 |
| Aorta | 6 |
| Lung | 2 |
| Trachea | 1 |
| Pericardiac membrane | 1 |
| Lymphadenectomy | |
| 2-field | 24 |
| 3-field | 32 |
| Residual tumor | |
| R0 | 44 |
| R1 | 5 |
| R2 | 7 |
| Induction therapy | |
| Chemotherapy | 27 |
| Chemoradiation therapy | 29 |
| Pathological response | |
| Grade 1a | 39 |
| Grade 1b | 6 |
| Grade 2 | 11 |
| Aortic invasion | |
| Surgical | |
| Yes | 7 |
| No | 49 |
| Pathological | |
| Yes | 6 |
| No | 50 |
SCC, squamous cell carcinoma.