The chief cau-ses of distant metastasis were the lung and mediastinal nodes. 病人死因以肺及縱隔淋巴結轉移為主。
The patients with local recurrence or lymph node metastasis can still get a high survival rate after reoperation. 對術(shù)后復發(fā)或頸淋巴結轉移者行再手術(shù)，仍能獲得較高生存率。
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