Indications for endoscopic resection for gastric tumorsa
| Absolute indication for EMR or ESD | Expanded criteria for ESD | |||
|---|---|---|---|---|
| Histologic type | Differentiated | Differentiated | Differentiated | Undifferentiated |
| Tumor diameter | ≤ 2 cm | > 2 cm | ≤ 3 cm | < 2 cm |
| Ulcerative findings | Negative | Negative | Positive | Negative |
| Depth of invasion | T1a | T1a | T1a | T1a |
↵a Endoscopic resection here refers to endoscopic mucosal resection (EMR) or endoscopic submucosal dissection (ESD).
Based on information from the Japanese Gastric Cancer Association, reference 9.