Metastatic Extra-Adrenal Paraganglioma

**Semantic type:** Neoplastic Process

**Definition:** An extra-adrenal paraganglioma that metastasizes to regional or distant anatomic sites. Common sites of metastasis include the lymph nodes, lungs, bones, and liver.

**Synonyms:** - Extra-adrenal paraganglioma, malignant - Malignant Extra-Adrenal Paraganglioma - Nonchromaffin paraganglioma, malignant