A well differentiated, low grade tumor with neuroendocrine differentiation that arises from the appendix. The mitotic count is less than 2 per 10 HPF and/or the Ki67 index is equal to or less than 2 percent.

http://purl.obolibrary.org/obo/DOID_0050911, http://purl.obolibrary.org/obo/NCIT_C4138, http://linkedlifedata.com/resource/umls/id/C0334298, http://identifiers.org/snomedct/253002004

http://purl.obolibrary.org/obo/MONDO_0001235

appendix NET G1 (carcinoid), appendiceal carcinoid tumor, vermiform appendix NET G1, vermiform appendix neuroendocrine tumor, well differentiated, low grade, grade 1 neuroendocrine neoplasm of vermiform appendix, vermiform appendix carcinoid tumor (disease), vermiform appendix neuroendocrine neoplasm G1, appendix carcinoid tumor, appendix NET G1, carcinoid tumor of the appendix, appendix neuroendocrine tumor G1 (carcinoid), carcinoid tumor of appendix, vermiform appendix carcinoid tumor

appendix carcinoid endocrine tumour

MONDO:0006091