Table 1.
Clinicopathological features of patients
| Age, median (range), years | 61 (27–84) |
| Sex, n (%) | |
| Male | 63 (64.3) |
| Female | 35 (35.7) |
| Location, n (%) | |
| Upper rectum | 11 (10.8) |
| Lower rectum | 91 (89.2) |
| Depressed lesion, n (%) | |
| Present | 3 (2.9) |
| Absent | 99 (97.1) |
| Treatment, n (%) | |
| Endoscopic mucosal resection | 48 (47.1) |
| Endoscopic submucosal dissection | 54 (52.9) |
| Size, median (range), mm | 5 (1–10) |
| Resection margin, n (%) | |
| R0 | 73 (71.6) |
| RX | 16 (15.7) |
| R1 | 13 (12.7) |
| SM depth, median (range), μm | 2000 (400–5500) |
| WHO 2010 classification | |
| NET G1 | 93 (91.2) |
| NET G2 | 9 (8.8) |