Source:http://linkedlifedata.com/resource/umls/id/C1533592
NCI: A paraganglioma that metastasizes to regional or distant anatomic sites. Extraadrenal paragangliomas have a higher tendency to metastasize, as compared to pheochromocytomas. Common sites of metastasis include the lymph nodes, lungs, bones, and liver.,NCI: A malignant neoplasm arising from paraganglia located along nerves composed of neoplastic neuroectodermal chromaffin cells.