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Indications for endoscopic resection (ER) of early gastric cancer (EGC).
| T1a lesion? (Y/N) | Differentiated type? (Y/N) | Ulceration? (Y/N) | Diameter of lesion (cm) | |
|---|---|---|---|---|
| Absolute indications (ESD or EMR) | Y | Y | N | ≤2 |
| Investigational indications (ESD only) | ||||
| A | Y | Y | N | >2 |
| B | Y | Y | Y | ≤3 |
| C | Y | N | N | ≤2 |
ESD, endoscopic submucosal dissection; EMR, endoscopic mucosal resection.
Source: Japanese Gastric Cancer Association, Japanese gastric cancer treatment guidelines, 2010.
