| Procedure times (mean ± SD; min)
(range) |
19.7 ± 5.1 12-26 |
| En bloc resection, n (%) |
6 (100) |
| Curative resection, n (%) |
3 (50) |
| Complications |
| Perforation, n |
0 |
| Delayed bleeding, n |
0 |
| Pathological tumor-free margin, n (%) |
6 (100) |
| Histopathological depth (m/sm) |
0/6 |
| Lymphovascular invasion, n (%) |
3/6 (50) |
| Additional rescue therapy, n (%) |
3 (50) |
| Recurrence rate, n |
0 |
| Follow-up (median; month) |
4 |
En bloc resection defined as one-piece resection with no visible residual tumor;
Curative resection defined as en bloc resection without positive lateral and vertical
margins and lymphovascular involvement; m: mucosal layer; sm: submucosal
layer; SD: standard deviation |