Figure 6.
Histopathological examination of endoscopic mucosal resection specimen. A: The mucosa was infiltrated by medium-sized atypical lymphocytes forming follicle-like structures. (hematoxylin and eosin stain, × 100 ); B: CD34. Unusual microvessels were observed running transversely immediately under the superficial layer of the mucosa (× 200).