tumorous mass

例句：

1. 1. The doctor found a tumor in his leg during the examination.
   医生在检查时发现他的腿上有一个肿瘤。
2. 2.The tumor grew rapidly and required immediate surgery.
   这个肿瘤迅速生长，需要立即手术。
3. 3.The lump was removed from her breast for further testing.
   她被取出了乳房中的一个肿块以进行进一步的测试。