functioning tumor


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functioning tumor

A tumor that is able to synthesize the same product as the normal tissues from which it arises, esp. an endocrine or nonendocrine tumor that produces hormones.
See also: tumor
References in periodicals archive ?
In contrast to pancreatic NETs, biliary tract NETs do not have functioning tumors. However, a few biliary NETs express gastrin, serotonin, PP, or somatostatin.