Clinical Applicability of Various Treatment Approaches for Upper Gastrointestinal Submucosal Tumors

Figure 3

STER procedure for the resection of esophageal leiomyoma. (a) Endoscopic examination of esophageal leiomyoma. Diameter of the tumor: 2.5 cm. (b) Establishment of the submucosal tunnel. (c) Resection of the tumor. (d) and (e) Closure of the entrance of the submucosal tunnel. (f) Fixation of the specimens.

(a)

(b)

(c)

(d)

(e)

(f)