TABLE 1.
Clinicopathological characteristics
| Patient characteristics and instrument used | N = 51 |
|---|---|
| Sex | |
| Male | 46 |
| Female | 5 |
| Median age, years (range) | 75 (55–90) |
| Endoscopic gastric atrophy | |
| Mild and severe | 49 |
| None | 2 |
| H. pylori infection status | |
| Current | 25 |
| Non‐infection | 2 |
| Past | 14 |
| Unknown | 10 |
| Gastrointestinal videoscope | |
| GIF‐EZ1500 | 28 |
| GIF‐XZ1200 | 10 |
| GIF‐H290Z | 13 |
| Lesion characteristics | N = 51 |
|---|---|
| Location | |
| Upper | 20 |
| Middle | 20 |
| Lower | 10 |
| Anastomosis | 1 |
| Macroscopic type | |
| 0–IIa | 17 |
| 0–IIb | 1 |
| 0–IIc | 33 |
| Median tumor size, mm (range) | 13 (3–41) |
| Histological type | |
| Differentiated | 47 |
| Undifferentiated | 4 |
| Invasion depth | |
| pT1a | 45 |
| pT1b | 6 |
| Atrophy around the lesion | |
| Presence | 49 |
| Absence | 2 |
Abbreviation: H. pylori, Helicobacter pylori.