Direct endoscopic full-thickness resection for submucosal tumors with an intraluminal growth pattern originating from the muscularis propria layer in the gastric fundus

摘要

the lesion with intraluminal growth pattern was located in the gastric fundus. the snare was placed at the root of lesion and mild suction was applied to loosen the gastric wall and ensure the complete grasp of the tumor. After the snare was tightened, the tumor presented as a pseudo-polyp