Pancreatic Intraepithelial Neoplasia

**Semantic type:** Neoplastic Process

**Definition:** A pre-cancerous, non-invasive pancreatic epithelial neoplasm that arises from and is confined to the pancreatic ducts. It is a papillary or flat neoplasm that usually measures less than 5 mm in diameter.

**Synonyms:** - PanIN - Pancreatic Dysplasia