Table 1.
Characteristics of esophageal cancer patients.
| Variable tested | Number of patients | |
|---|---|---|
| Group | Esophageal cancer | 49 |
|
| ||
| Gender | Male | 41 |
| Female | 8 | |
|
| ||
| Type of cancer | Adenocarcinoma | 24 |
| Planoepitheliale | 25 | |
|
| ||
| TNM stage (2) | I + IIa + IIb | 10 |
| III | 32 | |
| IV | 7 | |
|
| ||
| Depth of tumor invasion (T factor) | T1 + T2 | 8 |
| T3 | 29 | |
| T4 | 12 | |
|
| ||
| Nodal involvement (N factor) | N0 | 11 |
| N1 | 38 | |
|
| ||
| Distant metastases (M factor) | M0 | 42 |
| M1 | 7 | |
|
| ||
| Differentiation of tumor | Well differentiated—G1 | 14 |
| Moderately differentiated—G2 | 18 | |
| Undifferentiated—G3 | 17 | |
|
| ||
| Resection | R0—microscopically complete | 23 |
| Other | 26 | |
|
| ||
| Survival of patients | Died of cancer | 22 |
| Alive | 27 | |