Methods Extracapsular spread was defined as infiltration of cancer cells beyond the capsule of the metastatic lymph node.

所谓被膜外播散是指癌细胞的浸润程度超出了转移淋巴结的被膜。

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Objective: to study the relationship between different patterns of invasion and extracapsular spread in lymph node metastasis from squamous cell carcinoma of tongue.

目的：探讨舌癌不同浸润方式与颈淋巴结转移癌包膜外侵犯间的关系及其临床意义。

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