以其和气管及甲状腺密接的解剖相关，常使肿瘤向下及向外侵犯，并借由气管旁淋巴组织转移到上纵膈腔及肺部。

Because the trachea and thyroid gland adjoin to the subglottic area, the tumor invades them along with the superior mediastinum and lung by the way of paratracheal lymph drainage.

youdao

以其和气管及甲状腺密接的解剖相关，常使肿瘤向下及向外侵犯，并借由气管旁淋巴组织转移到上纵膈腔及肺部。

Because the trachea and thyroid gland adjoin to the subglottic area, the tumor invades them along with the superior mediastinum and lung by the way of paratracheal lymph drainage.

youdao