title: Primary malignant melanoma of the esophagus: an electron microscopic study.
mesh_terms: D000368:Aged; D002296:Carcinosarcoma / Q000473:pathology; D003609:Dactinomycin / Q000627:therapeutic use; D004938:Esophageal Neoplasms / Q000188:drug therapy / Q000473:pathology* / Q000601:surgery; D004945:Esophagoscopy; D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology; D008545:Melanoma / Q000188:drug therapy / Q000473:pathology* / Q000601:surgery; D008854:Microscopy, Electron; D009607:Nitrosourea Compounds / Q000627:therapeutic use; D013194:Staining and Labeling; D014750:Vincristine / Q000627:therapeutic use
chemical_list: D009607:Nitrosourea Compounds; D003609:Dactinomycin; D014750:Vincristine