Table 1 Characteristics of the resected lesions.
Patients with lesions for analysis | |
|---|---|
(n = 2557) | |
Lesion size (mm) mean ± SD | 14.3 ± 5.4 |
Location of lesions, n (%) | |
Cecum | 176 (6.9) |
Ascending colon | 476 (18.6) |
Transverse colon | 402 (15.7) |
Descending colon | 172 (6.7) |
Sigmoid colon | 1020 (39.9) |
Rectum | 309 (12.1) |
Uncertain | 2 (0.1) |
Morphology of lesions, n (%) | |
Polypoid (Is, Ip) | 1914 (74.9) |
Non-polypoid (others) | 643 (25.1) |
Histopathological diagnosis, n (%) | |
Adenoma | 1955 (76.5) |
IMC | 457 (17.9) |
SM-invasive cancer | 145 (5.7) |
Pattern of resection, n (%) | |
en bloc EMR | 2230 (87.2) |
uniEPMR | 327 (12.8) |
Observation period (days), mean ± SD | |
No recurrence | 621.9 ± 880.5 |
Recurrence | 669.8 ± 464.3 |
