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CHROMOGRANIN A

The Chromogranin A test measures the level of Chromogranin A protein, released by certain cells in the body, especially neuroendocrine cells, which are found in glands and some types of tumors. This test helps detect and monitor neuroendocrine tumors, such as carcinoid tumors, pheochromocytomas, or certain types of pancreatic tumors and is often used along with other tests and imaging to track tumor activity.

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