Gallbladder Papillary Biliary Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** Biliary intraepithelial neoplasia that affects the gallbladder epithelium. It is characterized by the presence of intraluminal micropapillary projections.

**Synonyms:** - Gallbladder Papillary BilIN - Gallbladder Papillary Intraepithelial Neoplasia