Research Article

Endoscopic Submucosal Dissection Outcomes for Gastroesophageal Tumors in Low Volume Units: A Multicenter Survey

Table 1

Clinical characteristics of ESD lesions ().

⁢Location
 Esophagus
3 (8.6%)
 Upper stomach4 (11.4%)
 Mid stomach8 (22.9%)
 Lower stomach19 (54.3%)
 Duodenum1 (2.9%)
⁢Morphology
 0-I4 (11.4%)
 0-Is1 (2.9%)
 0-IIa12 (34.3%)
 0-IIc4 (11.4%)
 0-IIa + 0-IIc8 (22.9%)
 Submucosal6 (17.1%)
SizeMedian 20 (range 5–60) mm
⁢Histology
 Adenocarcinoma17 (45.8%)
 Severe dysplasia6 (17.1%)
 Intestinal metaplasia1 (2.9%)
 Neuroendocrine tumor3 (8.6%)
 Leiomyoma3 (8.6%)
 Ectopic pancreatic tissue2 (5.7%)
 Hyperplastic1 (2.9%)
 Lipoma2 (5.7%)