nodules of the semilunar valves

例句：

1. 1. The patient had a noduleon his neck that was causing him pain.
   病人脖子上有一个结节，导致他疼痛。
2. 2.The doctor removed the nodules fromthe patient's skin.
   医生从病人的皮肤上移除了结节。
3. 3. Thenodules were removedsurgically to remove the cancerous cells.
   外科手术移除了这些结节，以去除癌细胞。