Table 2.
Endoscopic submucosal dissection resection rate according to histology in esophagus and cardia, stomach and colon n (%)
| Diagnosis | Patients | En bloc | R0 | |
| Esophagus | SMT | 5 | 5 (100.0) | 3 (60.0) |
| GIST | 1 | 1 (100.0) | 1 (100.0) | |
| Leiomyoma | 4 | 4 (100.0) | 2 (50.0) | |
| Non-SMT | 9 | 9 (100.0) | 6 (66.7) | |
| Early cancer/HGD | 6 | 6 (100.0) | 3 (50.0) | |
| Neoplasia grade min/med | 3 | 3 (100.0) | 3 (100.0) | |
| Stomach | SMT | 35 | 34 (97.1)a | 27 (77.1) |
| GIST | 18 | 18 (100.0) | 16 (88.9) | |
| Leiomyoma | 6 | 5 (83.3) | 3 (50.0) | |
| Other | 11 | 11 (100.0) | 8 (72.7) | |
| Non-SMT | 19 | 14 (73.7)a | 16 (84.2) | |
| Early cancer/HGD | 12 | 8 (66.7) | 10 (83.3) | |
| Neoplasia grade min/med | 4 | 3 (75.0) | 3 (75.0) | |
| Other | 3 | 3 (100.0) | 3 (100.0) | |
| Colon | SMT | 2 | 2 (100.0) | 2 (100.0) |
| Fibroepithelioma | 1 | 1 (100.0) | 1 (100.0) | |
| Leiomyoma | 1 | 1 (100.0) | 1 (100.0) | |
| Non-SMT | 32 | 28 (87.5) | 29 (90.6) | |
| Early cancer/HGD | 19 | 17 (89.5) | 17 (89.5) | |
| Neoplasia grade min/med | 11 | 10 (90.9) | 10 (90.9) | |
| Other | 2 | 1 (50.0) | 2 (100.0) |
a
P < 0.05 vs non-submucosal tumor (SMT). GIST: Gastrointestinal stromal tumor; HGD: High grade dysplasia.