chondroblastic osteogenic sarcoma

例句：

1. 1.This rare cancer has been linked to a genetic mutation.
   这种罕见的癌症与一种遗传突变有关。
2. 2.The patient underwent surgery to remove the tumor.
   患者接受了手术以切除肿瘤。
3. 3. The treatment for this type of cancer is still being researched.
   治疗这种癌症的方法仍在研究中。