NCIt synonyms : Esophageal Poorly Differentiated Endocrine Carcinoma; Esophageal High Grade Neuroendocrine Carcinoma; Esophageal NEC; Esophageal Small and Large Cell Endocrine Carcinoma;
NCIt related terms : Esophageal Neuroendocrine Cancer;
NCIt definition : An aggressive high-grade carcinoma with neuroendocrine differentiation that arises
from the esophagus. It is composed of malignant small or large cells. The mitotic
count is more than 20 per 2 mm2 and/or the Ki-67 index is more than 20%.;