angioma

例句：

1. 1. The doctor found an angioma on her neck that was causing her pain.
   医生在她的脖子上发现了一个瘤子，这让她感到疼痛。
2. 2. He had a small angioma on his arm that he had never noticed before.
   他的手臂上有一个他以前从未注意到的小瘤子。
3. 3. Angiomas are often harmless and do not require treatment.
   血管瘤通常无害，不需要治疗。