familial medullary thyroid cancerListen to pronunciation(fuh-MIH-lee-ul MED-yoo-LAYR-ee THY-royd KAN-ser)An inherited form of medullary thyroid cancer (cancer that forms in the cells of the thyroid that make the hormone calcitonin).Search NCI's Dictionary of Cancer TermsStarts withContainsBrowse:ABCDEFGHIJKLMNOPQRSTUVWXYZ#