Gallbladder Benign Non-Epithelial Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A non-epithelial neoplasm that arises from the gallbladder and is characterized by the absence of atypical or malignant cytological and architectural features, and absence of invasive features or metastatic potential. Representative examples include leiomyoma, lipoma, and neurofibroma.

**Synonyms:** - Benign Non-Epithelial Gallbladder Neoplasm