NCIt synonyms : Esophageal NET G1; Esophageal Carcinoid Tumor;
NCIt definition : A rare, well differentiated, low grade neoplasm with neuroendocrine differentiation
that arises from the esophagus. The mitotic count is less than 2 per 10 HPF and/or
the Ki67 index is equal to or less than 2 percent. The majority of cases have a polypoid
appearance, are small lesions, and found incidentally.;