RT Book, Section A1 Fitzgerald, Paul A. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. A2 McQuaid, Kenneth R. SR Print(0) ID 1193160941 T1 Gastroenteropancreatic Neuroendocrine Tumors (GEP-NETs) & Carcinoid Tumors T2 Current Medical Diagnosis & Treatment 2023 YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264687343 LK accessmedicine.mhmedical.com/content.aspx?aid=1193160941 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISGEP-NETs are neuroendocrine tumors that originate in the GI tract.About 60% of GEP-NETs are nonsecretory or secretory without clinical manifestations; they may be detected incidentally or may present with weight loss, abdominal pain, or jaundice.Carcinoid tumors arise from the intestines or lung, secrete serotonin, and may metastasize.