Variable | Patient No. (%) | Lesion No. (%) |
---|---|---|
Diameter of the resected specimen, mm, mean ± SD |  | 32.8 ± 16.9 (range 10–100) |
En-bloc resection | Â | 215 (93.9%) |
R0 resection | Â | 191 (83.5%) |
ESD-related complication | ||
Massive bleeding during ESD | Â | 2 (0.9%) |
Delayed bleeding | Â | 4 (1.7%) |
Perforation during ESD | Â | 2 (0.9%) |
Esophageal stricture needing balloon dilatation | Â | 41 (17.9%) |