The overall 5-year sur-vival rate was 51.96%. Cervical lymph node metastasis was proved histologically in 21/66 cases (31.8%). The 5-year survival rates in positive and negative node cases were 28.95% and 62.51% respectively.是什么意思_The overall 5-year sur-vival rate was 51.96%. Cervical lymph node metastasis was proved histologically in 21/66 cases (31.8%). The 5-year survival rates in positive and negative node cases were 28.95% and 62.51% respectively.在线翻译_英语_读音_用法_例句