Esophageal Melanoma

**Semantic type:** Neoplastic Process

**Definition:** An extremely rare melanoma that arises from the esophagus. It presents as a pigmented polypoid mass usually affecting the middle or lower esophagus. It has an aggressive clinical course.

**Synonyms:** - Esophagus Melanoma - Melanoma of Esophagus - Melanoma of the Esophagus - Primary Esophageal Melanoma