Benign Extrahepatic Bile Duct Neoplasm

A non-metastasizing neoplasm that arises from the external ear. Representative examples include ceruminous adenoma, polyp, and lipoma.

A benign, non-metastasizing neoplasm arising from the exocrine pancreas.

A non-metastasizing neoplasm that arises from the ethmoid sinus.

A slowly growing, benign, usually encapsulated neoplasm arising from the esophagus. Morphologically, it is composed of neoplastic differentiated Schwann cells. …

A non-metastasizing neoplasm arising from the esophageal wall.

An epithelioid cell type gastrointestinal stromal tumor with an indolent clinical course.