Table 2.
Characteristics of United States single center submucosal tunneling endoscopic resection series n (%)
| Characteristics | Value |
| STER cases (n) | 7 |
| Time period | 9/2013-4/2014 |
| Mean age (yr) | 52 (47-62) |
| Gender | 3 males: 4 females |
| ASA classification | |
| II | 6 (86) |
| III | 1 (14) |
| Location of lesion | 4 GE junction; 2 esophagus; 1 gastric cardia |
| General anesthesia | 100% |
| Procedure time (min) | 53 (23-80) |
| Closure technique | 2 clips (29); 5 endoscopic suture (71) |
| Histopathology | 6 leiomyoma (86); 1 GIST (2/50 hpf) (14) |
| Mean size (cm) | 1.5 (1-2.7) |
| En bloc resection | 100% |
| Length of hospital stay (d) | 2.3 (1-4) |
| Follow-up | 100% no recurrence |
| Complications | 1 mucosotomy required clipping |
| 1 stricture at submucosal tunnel site responded to balloon dilation at 4 wk |
GE: Gastroesophageal; STER: Submucosal tunneling endoscopic resection; ASA: American Society of Anesthesiologists.