NCIt synonyms : Well Differentiated Neuroendocrine Neoplasm; Well-Differentiated Neuroendocrine Neoplasm; APUDoma; Neoplasm of the Diffuse Neuroendocrine System;
NCIt related terms : Enterochromaffin cell carcinoid; Carcinoid tumor; carcinoid;
NCIt definition : A well-differentiated neuroendocrine neoplasm of low, intermediate, or high grade.;
Alternative definition : NCI-GLOSS: A slow-growing type of tumor usually found in the gastrointestinal system
(most often in the appendix), and sometimes in the lungs or other sites. Carcinoid
tumors may spread to the liver or other sites in the body, and they may secrete substances
such as serotonin or prostaglandins, causing carcinoid syndrome.;