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Clinicopathological features of patients.
| Patients/lesions | 25/25 |
| Median age, years (range) | 70 (55–87) |
| Sex | |
| Male | 20 |
| Female | 5 |
| Mean tumor size, mm (range) | 20.5 (4–42) |
| Depth | |
| Intramucosal | 24 |
| Submucosal | 1 |
| Macroscopic type | |
| 0-IIa type | 3 |
| 0-IIb type | 14 |
| 0-IIc type | 8 |
