excision of mixed tumor

例句：

1. 1. The surgeon performed a complete excision of the tumor.
   外科医生完成了肿瘤的完全切除。
2. 2. The patient underwent an excision for skin cancer.
   患者因皮肤癌接受了切除手术。
3. 3. The excision was performed under local anesthesia.
   切除手术在局部麻醉下进行。