Table 2 Border clarification of the lesions before and after chromoendoscopy with indigo carmine dye added to acetic acid
| After chromoendoscopy | ||||||
|---|---|---|---|---|---|---|
|
Total (n = 151) |
Differentiated adenocarcinomas (n = 108) |
Undifferentiated adenocarcinomas (n = 43) | ||||
|
Distinct margin |
Indistinct margin |
Distinct margin |
Indistinct margin |
Distinct margin |
Indistinct margin | |
| Conventional endoscopy | ||||||
| Distinct margin | 94 | 7 | 70 | 4 | 24 | 3 |
| Indistinct margin | 33 | 17 | 27 | 7 | 6 | 10 |
