title: Primary malignant melanoma of the esophagus: a case report.
mesh_terms: D001706:Biopsy; D003680:Deglutition Disorders / Q000209:etiology; D004938:Esophageal Neoplasms / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D004945:Esophagoscopy; D004947:Esophagus / Q000601:surgery; D006801:Humans; D008297:Male; D008545:Melanoma / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D008875:Middle Aged; D011859:Radiography