NCIt synonyms : Esophageal Poorly Differentiated Endocrine Carcinoma; Esophageal High Grade Neuroendocrine Carcinoma; Esophageal NEC G3; Esophageal NEC; Esophageal Small and Large Cell Endocrine Carcinoma;
NCIt related terms : Esophageal Neuroendocrine Cancer;
NCIt definition : An aggressive, high-grade, and poorly differentiated carcinoma with neuroendocrine
differentiation that arises from the esophagus. 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.;