Metastatic carcinoma to the esophagus. Endoscopic considerations with special reference to carcinoma of the breast.
D001943:Breast Neoplasms / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000473:pathology*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology*; D009362:Neoplasm Metastasis; D010610:Pharyngeal Neoplasms / Q000473:pathology*