excision of chemodectoma

例句：

1. 1. The surgeon performed an excisionof the tumor during the operation.
   外科医生在手术中切除了肿瘤。
2. 2. The patient wassuccessfully treated with a combination of surgery andchemotherapy.
   患者成功地接受了手术和化疗的结合治疗。
3. 3.The excision of the tumor significantly improvedthe patient's quality of life.
   肿瘤的切除显著提高了患者的生活质量。