Characteristics of Patients (n = 41)
| Characteristic | No. of patients |
| Sex | |
| Male | 35 (85) |
| Female | 6 (15) |
| Primary site | |
| Upper esophagus | 10 (24) |
| Middle esophagus | 15 (37) |
| Lower esophagus | 16 (39) |
| Tumor cell type | |
| Squamous cell carcinoma | 31 (76) |
| Adenocarcinoma | 10 (24) |
| Histologic grade | |
| Well differentiated | 12 (29) |
| Moderately differentiated | 11 (27) |
| Poorly differentiated | 3 (7) |
| Unknown | 15 (37) |
| TNM stage | |
| T1 | 6 (15) |
| T2 | 7 (17) |
| T3 | 21 (51) |
| T4 | 7 (17) |
| N0 | 16 (39) |
| N1 | 25 (61) |
| M0 | 24 (59) |
| M1 | 17 (41) |
| AJCC stage | |
| I | 4 (10) |
| IIa | 6 (15) |
| IIb | 5 (12) |
| III | 12 (29) |
| IVa | 4 (10) |
| IVb | 10 (24) |
| RECIST | |
| CR | 9 (22) |
| PR | 21 (51) |
| Stable disease (NR) | 7 (17) |
| Progressive disease (NR) | 4 (10) |
Data in parentheses are percentages.