肿块

例句：

1. 1. The doctor found a lump on his neck during the examination.
   医生在检查时发现他的脖子上有一个肿块。
2. 2. After surgery, the patient had to wait for several weeks before the lump went away.
   手术后，病人需要等待几周肿块才会消失。
3. 3. The lump was removed and sent for testing.
   这个肿块被切除并送去测试。