Table 2.
Lesions characteristics (61 resected lesions)
| Characteristic | Value |
|---|---|
| Localization | |
| Cervical esophagus (proximal margin <20 cm from the incisors) | 7 (11.5) |
| Upper third (proximal margin 20-24 cm) | 11 (18.0) |
| Middle third (proximal margin 25-32 cm) | 34 (55.7) |
| Lower third (proximal margin >32 cm) | 9 (14.8) |
| Paris classification | |
| 0-Is | 1 (1.6) |
| 0-Is+IIb | 1 (1.6) |
| 0-IIa | 5 (8.2) |
| 0-IIb | 37 (60.7) |
| 0-IIc | 1 (1.6) |
| 0-IIa+IIb | 16 (26.2) |
| Maximal diameter of the lesion (mm) | 28.4±15.3 |
| Depth of invasion | |
| M1 (in situ carcinoma) | 19 (31.1) |
| M2 | 11 (18.0) |
| M3 | 14 (23.0) |
| SM ≤200 µm | 3 (4.9) |
| SM >200 µm | 14 (23.0) |
| Grading | |
| G1 | 22 (36.1) |
| G2 | 32 (52.5) |
| G3 | 7 (11.5) |
| Lymphovascular invasion | |
| L1 | 6 (9.8) |
| V1 | 1 (1.6) |
Values are presented as number (%) or mean±standard deviation.
SM, submucosal invasion.