以下为句子列表：
英文: Small cell carcinoma of the uterine cervix is a rare tumor characterized by a highly aggressive clinical course and poor prognosis due to the high frequency of lymph node involvement at an early stage.
中文: 摘要发生在子宫颈的小细胞上皮癌是一种罕见肿瘤，由于该肿瘤很容易在早期就侵犯到邻近淋巴结，所以高度侵犯性的临床进程和不良的预后为此种癌症的特微。
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