NCIt synonyms : Neuroendocrine Neoplasm of the Rectum; Neuroendocrine Neoplasm of Rectum;
NCIt definition : A neoplasm with neuroendocrine differentiation that arises from the rectum. It includes
neuroendocrine tumors (well-differentiated neuroendocrine neoplasms) and neuroendocrine
carcinomas (poorly differentiated neuroendocrine neoplasms).;