Table 2. Outcomes of treatment.
| N = 23 | (%) | |
| Successful rate of TAC | 20 | (87) |
| Resected specimen size, mm | 35 (23 – 60) | |
| Procedure time, min, mean (95 % confidence interval) | 61 (18 – 172) | |
| Procedure speed, mm2/min, mean (95 % confidence interval) |
16.7 (3.4 – 47.4) | |
| Histology, n | ||
| Tubular adenoma | 3 | |
| Tubulovillous adenoma | 4 | |
| Sessile serrated adenoma/polyp | 2 | |
| Intramucosal or minute submucosal invasive cancer | 11 | |
| Deeply submucosal invasive cancer | 3 | |
| En bloc resection, n | 23 | (100) |
| R0 resection, n | 22 | (96) |
| Adverse events, n | ||
| Delayed bleeding | 1 | (4) |
| Intraoperative perforation | 0 | (0) |
| Delayed perforation | 0 |
NOTE: Values are expressed as median (range) unless otherwise noted.
TAC, traction-assisted colonic ESD using clip and line
Minute submucosal invasive cancer: SM < 1000 μm
Deeply submucosal invasive cancer: SM ≥ 1000 μm