Table 2.
Clinicopathologic Characteristics of 19 Metachronous Gastric Neoplasm in Patients Who Underwent Endoscopic Resection of Gastric Neoplasms
| Characteristic | No. (%) |
|---|---|
| Type of MGN | |
| Low-grade dysplasia | 10 (52.6) |
| High-grade dysplasia | 2 (10.5) |
| Early gastric cancer | 6 (31.6) |
| Advanced gastric cancer | 1 (5.3) |
| Location of MGN | |
| Upper third | 4 (21.1) |
| Middle third | 5 (26.3) |
| Lower third | 10 (52.6) |
| Treatment modality for MGN | |
| Endoscopic mucosal resection | 13 (68.4) |
| Endoscopic submucosal dissection | 4 (21.1) |
| Surgery after endoscopic submucosal dissection | 1 (5.3) |
| Chemotherapy | 1 (5.3) |
| Second metachronous neoplasm after treatment of MGN* | |
| No | 15 (83.3) |
| Yes | 3 (16.7) |
MGN, metachronous gastric neoplasm.
*
One pateint who developed advanced gastric cancer was excluded in this anaylsis.