Gallbladder Angiosarcoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant vascular neoplasm arising from the gallbladder.

**Synonyms:** - Angiosarcoma of Gallbladder - Angiosarcoma of the Gallbladder - Gallbladder Hemangiosarcoma - Hemangiosarcoma of Gallbladder - Hemangiosarcoma of the Gallbladder