TABLE 2.
Characteristics of the lesions resected by ESD
| Variables | Total (n = 11) a |
|---|---|
| Location, n (%) | |
| Rectum b | 5 (45) |
| Left‐sided colon | 3 (27) |
| Right‐sided colon | 3 (27) |
| Paris classification, n (%) | |
| Type 0‐Is | 3 (27) |
| Type 0‐IIa | 8 (73) |
| Ulcers on the surface, n (%) | 0 |
| Border, n (%) | |
| Distinct border | 11 (100) |
| Indistinct border | 0 |
| JNET classification, n (%) | |
| 1 | 2 (18) |
| 2A | 8 (72) |
| NA | 1 (9) |
| Kudo's pit pattern, n (%) | |
| II | 2 (18) |
| IIIs | 1 (9) |
| IIIL | 2 (18) |
| Ⅳ | 3 (27) |
| IIIH | 2 (18) |
| ⅣH | 1 (9) |
| Scarring, n (%) | 2 (18) |
| Atrophic colitis, n (%) | 7 (64) |
| Loss of colonic haustra, n (%) | 1 (9) |
Abbreviations: JNET, Japan NBI Expert Team; NA, not assessed.
a
Two lesions were detected during surveillance colonoscopy.
b
Proctodeum area is included in the rectum area.