局部复发5例，其中4例再行扩大垂直半喉切除术补救治疗，观察5年无复发；

Additional extended vertical laryngectomy was then performed for 4 cases of them and no recurrence was found after 5 year follow-up.

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方法：采用不同术式行部分喉切除术，其中行喉裂开声带切除19例，垂直半喉切除37例，水平半喉切除7例；

Methods:Among them, 19 cases were given laryngiofission combined with cordectomy, 37 for vertical partial laryngectomy and 7 for horizontal partial laryngectomy.

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