Intra-Ampullary Papillary-Tubular Neoplasm with High Grade Dysplasia

**Semantic type:** Neoplastic Process

**Definition:** An intra-ampullary papillary-tubular neoplasm characterized by the presence of high-grade dysplasia.

**Synonyms:** - Ampullary High Grade Intraepithelial Neoplasia - Ampullary Noninvasive Pancreatobiliary Papillary Neoplasm with High Grade Dysplasia - Intra-Ampullary Papillary-Tubular Neoplasm with High-Grade Dysplasia