Term Name:	carcinoid tumor
Synonyms:
Definition:	Carcinoid tumors are of neuroendocrine origin and derived from primitive stem cells. Found predominantly in the lung and gut they are capable of secreting a large range of substances and have a number of histological subtypes. May resemble but are distinct from small cell lung carcinoma in the lung. (M-8240/3).
Ontology:	MPATH [MPATH:367]