Table 1.
Clinical characteristics and findings on histologic examination.
| Characteristic | N (%) | |
|---|---|---|
| Histology | ||
| Adenocarcinoma | 63 (56) | |
| Squamous | 32 (29) | |
| Large Cell | 2 (2) | |
| Other | 15 (13) | |
| T-category | ||
| 1 | 49 (44) | |
| 2 | 40 (36) | |
| 3 | 18 (16) | |
| 4 | 4 (4) | |
| X | 1 (1) | |
| N-category (after routine examination) | ||
| 0 | 78 (70) | |
| 1 | 18 (16) | |
| 2 | 16 (14) | |
| Number of lymph nodes after routine examination | Mean (SD) | Median (range) |
| From N1 stations | 4.96 (3.51) | 4 (0, 18) |
| From N2 stations | 5.23 (4.14) | 4 (0, 19) |
| Total | 10.18 (5.87) | 10 (1, 30) |
| Number of additional material found on re-dissection | ||
| All (irrespective of histology) | 9.79 (7.35) | 8 (1, 51) |
| Lymph nodes | 6.73 (6.53) | 5 (0, 46) |
| Lymph nodes with metastasis | 0.62 (1.61) | 0 (0, 12) |