hemangioma of submaxillary gland

例句：

1. 1. The patient had a hemangioma on his forehead that was causing him discomfort.
   患者额头上有一颗血管瘤，这让他感到不舒服。
2. 2. The doctor removed the hemangioma to prevent infection.
   医生切除了血管瘤以防止感染。
3. 3. Hemangiomas are common in children and can be treated with surgery or medication.
   血管瘤在儿童中很常见，可以通过手术或药物治疗。