segmental resection of extremity

例句：

1. 1. Thesurgeon performed a segmental resection ofthe tumor.
   外科医生进行了肿瘤的分段切除。
2. 2. The patient underwent a segmental resection for treatment of the cancer.
   患者接受了分段切除治疗癌症。
3. 3. The operation was successful, but the patient still required a segmental resection due to the residual tumor.
   手术成功，但由于残留肿瘤，患者仍需进行分段切除。