NCIt synonyms : Intestinal High Grade Neuroendocrine Carcinoma; Intestinal NEC G3; Intestinal Poorly Differentiated Endocrine Carcinoma; Intestinal NEC;
NCIt definition : An aggressive, high-grade, and poorly differentiated carcinoma with neuroendocrine
differentiation that arises from the small or large intestine. The mitotic count is
more than 20 per 10 HPF. It is classified as either small or large cell neuroendocrine
carcinoma based on the size of the malignant cells, the prominence of the nucleoli,
and the amount of cytoplasm.;