Fig. 2From: IgG4-related disease presenting as a submucosal tumor of the stomach resected with laparoscopic endoscopic cooperative surgery: a case reportThe ESD technique was performed around the tumor, and the seromuscular layer was intentionally perforated (a). An ultrasonically activated device was inserted into the perforation, and seromuscular dissection around the tumor was performed (b). The incision line was closed using a laparoscopic stapling device (c)Back to article page