Ampulla of Vater Intestinal-Type Adenocarcinoma

**Semantic type:** Neoplastic Process

**Definition:** An invasive adenocarcinoma arising from the ampulla of Vater. Morphologically, it is characterized by the presence of intestinal-type malignant epithelial cells.

**Synonyms:** - Ampulla of Vater Invasive Intestinal Type Adenocarcinoma