Carcinoid Tumors

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Carcinoid Tumors Overview



Carcinoid tumors, or carcinoids, originate in hormone-producing cells of the gastrointestinal (GI) tract (i.e., esophagus, stomach, small intestine, colon), the respiratory tract (i.e., lungs, trachea, bronchi), the hepatobiliary system (i.e., pancreas, gallbladder, liver), and the reproductive glands (i.e., testes, ovaries).




The most common site of origin is the GI tract and carcinoid tumors often develop in the appendix, the rectum, and the lower sec...Read the full article