sarcoma virus

例句：

1. 1.Sarcoma is a rare form of cancer that affects the connective tissues.
   肉瘤是一种罕见的癌症，影响结缔组织。
2. 2.The study found that the sarcoma virus was responsible for the disease's development.
   研究发现，肉瘤病毒是这种疾病发展的原因。
3. 3. The patient's family members were tested for the sarcoma virus to rule out any other causes.
   患者的家庭成员进行了肉瘤病毒测试，以排除其他原因。