label: Gastric Intraepithelial Neoplasia
label_lc: gastric intraepithelial neoplasia
description: A intraepithelial neoplasia (dysplasia) that arises in either the native gastric mucosa or in metaplastic gastric epithelium.  It has a flat, polypoid or slightly depressed growth pattern.  It is graded as low grade (mild dysplasia) or high grade (moderate dysplasia and carcinoma in situ).  (WHO, 2000)