excision of thymoma

例句：

1. 1. The patient underwent a thymoma excision to treat the tumor.
   患者接受了胸腺瘤切除术来治疗肿瘤。
2. 2.The surgery was complicated by the presence ofa large thymoma.
   手术因存在一个大的胸腺瘤而变得复杂。
3. 3. Thepatient recovered well after the thymomaexcision and is now in remission.
   患者在胸腺瘤切除术后恢复良好，目前处于缓解状态。