hemangioma of bronchus

例句：

1. 1. The patient had a hemangioma on his neck that was painful and itchy.
   患者脖子上有一个疼痛和发痒的血管瘤。
2. 2. Hemangiomas are common in children and can cause bleeding or infection.
   血管瘤在儿童中很常见，可能导致出血或感染。
3. 3. The doctor removed the hemangioma to prevent further complications.
   医生切除了血管瘤以防止进一步并发症。