Table 3.
Procedure characteristics (61 resected lesions)
| Characteristic | Value |
|---|---|
| Resection specimen (cm2) | 10.9±6.4 |
| Resection rates | |
| R0 resection | 59 (96.7) |
| R1 resection horizontal margin | 2 (3.3) |
| R1 resection vertical margin | 0 (0) |
| Curative resection (M1/M2 without LVI) | 30 (49.2) |
| Non-curative resection | 31 (50.8) |
| M3 without LVI | 11 (18.0) |
| pT1b or any LVI | 20 (32.8) |
| Circumferential extension of the resection ulcer after ESD | |
| ≤50% | 12 (19.7) |
| 50%–75% | 31 (50.8) |
| 76%–99% | 11 (18.0) |
| Circumferential | 7 (11.5) |
| Complications | |
| Stricture | 7 (11.5)a) |
| Bleeding | 0 (0) |
| Perforation | 0 (0) |
Values are presented as mean±standard deviation or number (%).
LVI, lymphovascular invasion.
a)
Six strictures were seen after circumferential resection; one stricture was seen after resection of 80% of the circumference.