术后随访观察评估其安全性及疗效。
术后4周均采用静脉化疗，并作随访观察。
At 4 weeks after surgery, intravenous chemotherapy was given and they were followed up.
以症状、体征有无复发以及是否恢复原工作为随访主要观察项目。
Recurrence of symptoms and return to original work were the evaluated.
并随访6个月观察不良反应；
并随访6个月观察不良反应；
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