名词
中文翻译：恶性黑色素瘤
同义词：
['esophagealmalignant melanoma', 'esophageal cancer']
例句：
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1. He was diagnosed with esophageal malignant melanoma and underwent surgery.
他被诊断出患有食管癌并接受了手术。
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2. The patient's condition worsened significantly after thesurgery.
手术后，患者的病情明显恶化。
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3. Theprognosis for patients with esophageal malignant melanoma is generally poor.
食管癌患者的预后通常较差。