Table 3. Outcomes of complete ESD procedure for 38 lesions in 38 patients.
| Tumor size (mm), median | 26 |
| (Range) | (20 – 70) |
| Resected specimen size (mm), median | 36.5 |
| (Range) | (23 – 80) |
| General anesthesia/conscious sedation, n | 29 /9 |
| Operation time (min), mean ± SD | 128.3 ± 69.5 |
| Perforation rate, % (n) | 31.6 (12) |
| Delayed perforation rate, % (n) | 2.6 (1) |
| Delayed bleeding rate, % (n) | 18.4 (7) |
| Hospitalization (day), mean ± SD | 10.3 ± 4.2 |
| Complete resection1 rate, % (n) | 89.4 (34) |
| Incomplete resection rate, % (n) | 11.6 (4) |
| Lateral/vertical positive, n | 3 /1 |
| Observation periods (months), median | 48 |
| (Range) | (3.2 – 94.1) |
| Local recurrence, n | 0 |
| Distant metastasis, n | 0 |
| Prognosis, DFS rate, % (n) | 100 (38) |
Abbreviations: DFS, disease-free survival; ESD, endoscopic submucosal dissection.
1
En bloc resection with lateral and vertical margin free from tumor.