Figure 3: A. The submucosal layer structure appeared as a well-differentiated adenocarcinoma with lymphoid stroma, hematoxylin and eosin (H&E) stain; loupe. B. Cystically dilated glands and lymphoid follicle formation (white arrow) located in the submucosa, H&E stain; magnification 4 X. C. Immunohistochemical staining of resected specimen showed it was negative for EBV, LMP-1; magnification 4X.