Table 2.
Endoscopic features of the lesions.
| Operative time, mean (min) | 106.3 ± 42.9 (35-240) |
| Dissection speed, mean (range) (mm2/min) | 22.8 ± 12.7 (7.1-73) |
| En bloc resection (%) | 124 (100%) |
| R0 resection | 87 (70.2%) |
| R1 resection | 37 (29.8%) |
| Positive resection margins (N) (%) | 53 (42.7%) |
| Follow-up, mean (range) (mon) | 19.1 ± 12.4 (1-44) |
| Additional esophagectomy (N) (%) | 11 (8.9%) |
| Residual cancer | 1 |
| Complications (N) (%) | |
| Perforation | 1 (0.8%) |
| Damaged of circular muscle | 60 (48.4%) |
| Cardiac mucosal laceration | 7 (5.6%) |
| Gastric fundus perforation patients | 2 (1.6%) |
| Stenosis | 54 (43.5%) |