Fig. 1
From: Management of type 1 gastric neuroendocrine tumors: an 11-year retrospective single-center study
Endoscopic images in type 1 gastric NET patients with autoimmune gastritis (AIG). (a) NETs are minute (less than 0.5 cm) and frequently present as multiple reddish polypoid lesions. (b) Marked vascular visibility and the disappearance of folds without an atrophic border were observed. (c) Close-up observation of a sessile polyp; the tumor is gently elevated, and its surface is red with an enlarged gastric pit and dilated vessels