Esophageal Neuroendocrine Tumor

**Semantic type:** Neoplastic Process

**Definition:** A well-differentiated, low-, intermediate-, or high-grade neoplasm with neuroendocrine differentiation that arises from the esophagus.

**Synonyms:** - Esophageal NET - Esophageal Well Differentiated Neuroendocrine Neoplasm - Esophageal Well-Differentiated Neuroendocrine Neoplasm