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Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition.

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Pheochromocytoma and Paraganglioma—Health Professional Version

Pheochromocytomas and extra-adrenal paragangliomas are rare tumors arising from neural crest tissue that develops into sympathetic and parasympathetic paraganglia throughout the body. Find evidence-based information on pheochromocytoma and paraganglioma treatment, research, and genetics.

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