Secondary malignant melanoma of esophagus and its treatment.
D004938:Esophageal Neoplasms; D006801:Humans; D008441:Maxillary Neoplasms; D008545:Melanoma; D009062:Mouth Neoplasms; D009362:Neoplasm Metastasis; D010235:Paraganglioma
ESOPHAGEAL NEOPLASMS; MAXILLARY NEOPLASMS; MELANOMA; MOUTH NEOPLASMS; NEOPLASM METASTASIS